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F
fornicate - Foster Kennedy

fornicate (for·ni·cate) (for´nĭ-kāt) [L. fornicatus arched]  shaped like an arch.

forniceal (for·nic·e·al) (for-nis´e-əl)  fornical.

fornix (for·nix) (for´niks)  pl. for´nices [L. “arch”]  1. anatomic nomenclature for an archlike structure or the vaultlike space created by such a structure.  2.  [TA] fornix of brain: the efferent pathway of the hippocampus, projecting chiefly to the mammillary bodies and habenular nuclei; each fornix of the pathway is an arched tract that is united under the corpus callosum with the other fornix, so that together they comprise two columns, a body, and two crura.

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anterior f.  pars anterior fornicis vaginae.

f. of brain  fornix (def. 2).

caliceal f. ,  calyceal f.  the inner border of a renal calix where it touches a papilla or papillae.

f. conjuncti´vae infe´rior  [TA]  inferior conjunctival fornix: the inferior line of reflection of the conjunctiva from the eyelid to the eyeball.

f. conjuncti´vae supe´rior  [TA]  superior conjunctival fornix: the superior line of reflection of the conjunctiva from the eyelid to the eyeball; it receives the openings of the lacrimal duct.

f. gas´tricus  [TA]  gastric fornix: a term used in radiographic anatomy to refer to the arch of the fundus of the stomach. Called also f. of stomach, f. ventricularis, and f. ventriculi.

lateral f.  pars lateralis fornicis vaginae.

f. pharyn´gis  [TA]  pharyngeal fornix: the archlike roof of the nasopharynx; called also nasopharyngeal roof and roof of nasopharynx.

posterior f.  pars posterior fornicis vaginae.

f. sac´ci lacrima´lis  [TA]  fornix of lacrimal sac: the upper, blind extremity of the lacrimal sac.

f. of stomach  f. gastricus.

f. vagi´nae  [TA]  the recess formed between the vaginal wall and the vaginal part of the cervix; sometimes subdivided into anterior (pars anterior fornicis vaginae), posterior (pars posterior fornicis vaginae), and lateral (pars lateralis fornicis vaginae) fornices, depending on the relation of the recess to the wall of the vagina; called also fundus vaginae and fundus of vagina.

f. ventricula´ris ,  f. ventri´culi  f. gastricus.

Foroblique (For·o·blique) (for”o-blek´)  trademark for an obliquely forward visual telescopic system used in panendoscopes.

Forsius-Eriksson syndrome (For·si·us-Eriks·son syndrome) (for´se-əs er´ik-sən) [Henrik Forsius, Finnish physician, born 1921; Aldur W. Eriksson, Finnish geneticist, 20th century]  see under syndrome.

Forssell's sinus (Fors·sell's sinus) (for´səlz) [Gösta Forssell, Swedish radiologist, 1876–1950]  see under sinus.

Forssman's antigen (Forss·man's antigen) (fors´mənz) [John Forssman, Swedish pathologist, 1868–1947]  see under antigen.

Forssmann (Forss·mann) (fors´mən)  Werner Theodor Otto, 1904–1979. German surgeon; co-winner, with André F. Cournand and Dickinson W. Richards, Jr., of the Nobel prize for medicine or physiology in 1956 for developing cardiac catheterization.

Förster's choroiditis (disease), photometer (För·ster's choroiditis (disease), photometer) (fər´stərz) [Carl Friedrich Richard Förster, German ophthalmologist, 1825–1902]  see under choroiditis, and see photoptometer.

Förster's diplegia (syndrome, atonic-astatic syndrome) (För·ster's diplegia (syndrome, atonic-astatic syndrome)) (fər´stərz) [Otfrid Förster, German neurosurgeon, 1873–1941]  atonic-astatic diplegia.

Fortaz (For·taz) (for´taz)  trademark for a preparation of ceftazidime.

Fortovase (For·to·vase) (for´to-vās)  trademark for a preparation of saquinavir.

Fosamax (Fo·sa·max) (fos´ə-maks)  trademark for a preparation of alendronate sodium.

foscarnet sodium (fos·car·net so·di·um) (fos-kahr´net)  a virostatic agent used in the treatment of cytomegalovirus retinitis and acyclovir-resistant herpes simplex in immunocompromised patients.

Foscavir (Fos·ca·vir) (fos´kə-vir)  trademark for a preparation of foscarnet sodium.

fosfomycin tromethamine (fos·fo·my·cin tro·meth·amine) (fos-fo-mi´sin)  an antibacterial agent derived from phosphonic acid, active against a wide range of gram-positive and gram-negative bacteria, used in the treatment of urinary tract infection; administered orally.

Foshay's test (Fo·shay's test) (fo-shāz´) [Lee Foshay, American bacteriologist, 1896–1961]  see under test.

fosinopril sodium (fo·sin·o·pril sodium) (fo-sin´o-pril)  an angiotension-converting enzyme inhibitor used in the treatment of hypertension; also used as a vasodilator in the treatment of congestive heart failure. Administered orally.

fosphenytoin sodium (fos·phen·y·to·in sodium) (fos´fen-ĭ-toin”)  a prodrug of phenytoin used as an anticonvulsant in the treatment of epilepsy, excluding petit mal epilepsy; administered intravenously or intramuscularly.

fospirate (fos·pi·rate) (fos´pĭ-rāt)  a veterinary anthelmintic.

fossa (fos·sa) (fos´ə) gen. and pl. fos´sae [L.]   [TA] a trench, channel, or hollow place.

Fossa
Descriptions are given on TA terms, and include anglicized names of specific fossae.

acetabular f. ,  f. acetabula´ris  f. acetabuli.

f. aceta´buli  [TA]  fossa of acetabulum: a rough nonarticular area in the floor of the acetabulum above the acetabular notch. Called also acetabular f. and f. acetabularis.

adipose f.e  spaces in the female breast, just beneath the skin, which contain fat.

anconal f. ,  anconeal f.  f. olecrani.

antecubital f.  f. cubitalis.

f. anthe´licis ,  f. of antihelix  f. antihelica.

f. antihe´lica  [TA]  antihelical fossa: the depression on the medial surface of the auricle of the ear that corresponds to the antihelix on the lateral surface. Called also f. anthelicis and f. of antihelix.

articular f. of atlas, inferior  facies articularis inferior atlantis.

articular f. of atlas, superior  facies articularis superior atlantis.

articular f. of mandible  f. mandibularis.

articular f. for odontoid process of axis  fovea dentis atlantis.

articular f. of temporal bone  f. mandibularis.

f. axilla´ris  [TA]  axillary fossa: the small hollow at the axilla where the upper limb joins the body at the shoulder.

Biesiadecki's f.  f. iliacosubfascialis.

Broesike's f.  parajejunal f.

f. caeca´lis  a peritoneal recess at the beginning medial to and behind the cecum; it is formed by the cecal folds.

f. cani´na  [TA]  canine fossa: a wide depression on the external surface of the maxilla superolateral to the canine tooth socket; the levator anguli oris muscle arises from it. Called also maxillary f.

f. capitel´li  facet for malleus.

f. ca´pitis fe´moris  fovea capitis femoris.

f. caro´tica  trigonum caroticum.

f. cerebella´ris  [TA]  cerebellar fossa: either of a pair of depressions in the internal surface of the occipital bone posterior to the foramen magnum, separated from one another by the internal occipital crest, that lodge the hemispheres of the cerebellum.

f. cerebra´lis  [TA]  cerebral fossa: either of a pair of depressions in the internal surface of the occipital bone, posterior to the cerebellar fossae, that house the occipital lobes of the cerebrum.

f. chor´dae duc´tus veno´si  f. ductus venosi.

f. condyla´ris  [TA]  condylar fossa: either of two pits on the lateral portions of the occipital bone, one on either side of the foramen magnum, posterior to the occipital condyle. Called also f. condyloidea, postcondyloid f., and posterior condyloid f.

condyloid f., posterior  fossa condylaris.

condyloid f. of atlas  fovea articularis superior atlantis.

condyloid f. of mandible ,  condyloid f. of temporal bone  f. mandibularis.

f. condyloi´dea  f. condylaris.

f. coronoi´dea hu´meri  [TA]  coronoid fossa of humerus: the cavity in the humerus that receives the coronoid process of the ulna when the elbow is flexed. Called also ulnar f.

f. of coronoid process  f. coronoidea humeri.

costal f., inferior  fovea costalis inferior.

costal f., superior  fovea costalis superior.

costal f. of transverse process  fovea costalis processus transversus.

cranial f., anterior  f. cranii anterior.

cranial f., middle  f. cranii media.

cranial f., posterior  f. cranii posterior.

f. crania´lis ante´rior  f. cranii anterior.

f. crania´lis me´dia  f. cranii media.

f. crania´lis posterior  f. cranii posterior.

f. cra´nii ante´rior  [TA]  anterior cranial fossa: the anterior subdivision of the floor of the cranial cavity, supporting the frontal lobes of the brain, and composed of portions of three bones: the ethmoid, frontal, and sphenoid. Called also f. cranialis anterior.

f. cra´nii me´dia  [TA]  middle cranial fossa: the middle subdivision of the floor of the cranial cavity, supporting the temporal lobes of the brain and the pituitary gland; it is composed of the body and greater wings of the sphenoid bone and the squamous and petrous portions of the temporal bone. Called also f. cranialis media.

f. cra´nii poste´rior  [TA]  posterior cranial fossa: the posterior subdivision of the floor of the cranial cavity, lodging the cerebellum, pons, and medulla oblongata; it is formed by portions of the sphenoid, temporal, parietal, and occipital bones. Called also f. cranialis posterior.

crural f.  anulus femoralis.

cubital f.  1. f. cubitalis.  2. f. coronoidea humeri.

f. cubita´lis  [TA]  cubital fossa: the depression in the anterior region of the elbow.

f. cys´tidis fel´leae  f. vesicae biliaris.

digastric f.  1. f. digastrica.  2. incisura mastoidea ossis temporalis.

f. digas´trica  [TA]  digastric fossa: a depression on the internal surface of the body of the mandible on each side of the symphysis to which is attached the anterior belly of the digastric muscle; called also f. musculi biventeris, and digastric fovea or impression.

digital f., inferior  anulus femoralis.

digital f., superior  f. inguinalis lateralis.

digital f. of femur  f. trochanterica.

f. duc´tus veno´si  fossa of ductus venosus: an impression on the posterior part of the diaphragmatic surface of the liver in the fetus, lodging the ductus venosus.

duodenal f., inferior  recessus duodenalis inferior.

duodenal f., superior  recessus duodenalis superior.

duodenojejunal f.  recessus duodenalis superior.

epigastric f.  1. fossa epigastrica.  2. urachal f.

f. epigas´trica  1. epigastric fossa: a fossa in the epigastric region; called also scrobiculus cordis and fovea cardiaca.  2.  [TA] epigastrium. See illustration at abdomen.

ethmoid f.  a groove situated in the cribriform plate of the ethmoid bone; it lodges the olfactory bulb of the brain. Called also olfactory f. or groove.

femoral f.  anulus femoralis.

floccular f.  f. subarcuata ossis temporalis.

f. of gallbladder  f. vesicae biliaris.

Gerdy's hyoid f.  trigonum caroticum.

f. glan´dulae lacrima´lis  [TA]  fossa of lacrimal gland: a shallow depression in the lateral part of the roof of the orbit, lodging the lacrimal gland; called also lacrimal f.

glandular f. of frontal bone  f. glandulae lacrimalis.

glenoid f.  1. cavitas glenoidalis.  2. f. mandibularis.

glenoid f. of scapula  cavitas glenoidalis.

glenoid f. of temporal bone  f. mandibularis.

greater f. of Scarpa  trigonum femorale.

Gruber's f.  a diverticulum of the suprasternal space alongside of the inner end of the clavicle.

Gruber-Landzert f.  a recess in the peritoneum in the same situation as the superior duodenal recess, but extending downward behind the duodenojejunal angle.

harderian f.  the orbital depression in which the harderian glands are lodged.

f. of head of femur  fovea capitis femoris.

f. he´licis  scapha.

f. hyaloi´dea  [TA]  hyaloid fossa: a depression on the anterior surface of the vitreous body, in which the lens is lodged; called also lenticular f. of vitreous body and patellar f.

hypogastric f.  f. inguinalis medialis.

f. hypophy´seos ,  f. hypophysia´lis [TA]  hypophysial fossa: a deep depression in the middle of the sella turcica of the sphenoid bone, lodging the pituitary gland; called also pituitary f. and sellar f.

ileocecal f., inferior  recessus ileocaecalis inferior.

ileocecal f., superior  recessus ileocaecalis superior.

ileocolic f.  recessus ileocaecalis superior.

f. ili´aca  [TA]  iliac fossa: a large, smooth concave area occupying much of the inner surface of the ala of the ilium, especially anteriorly; from it arises the iliacus muscle.

f. iliacosubfascia´lis  iliacosubfascial fossa: an inconstant depression on the inner surface of the abdomen between the psoas muscle and the crest of the ilium; called also Biesiadecki's f.

f. iliopecti´nea  iliopectineal fossa: a depression between the iliopsoas and pectineus muscles in the center of the femoral triangle; called also lesser f. of Scarpa.

implantation f.  a shallow depression at the site where the tail of a spermatozoon attaches to the head.

incisive f. of maxilla  a slight depression on the anterior surface of the maxilla above the incisor teeth; called also myrtiform f., f. praenasalis, and prenasal f.

incudal f. ,  f. incu´dis [TA]  fossa of incus: a groove in the posterior wall of the tympanic cavity, lodging the short limb of the incus and the posterior ligament of the incus.

f. infraclavicula´ris  [TA]  infraclavicular fossa: the triangular region of the thorax or chest just inferior to the clavicle, between the deltoid and pectoralis major muscles; called also infraclavicular triangle, Mohrenheim's f. or triangle, and trigonum deltoideopectorale.

infraduodenal f.  a recess in the peritoneum below the third portion of the duodenum.

f. infraspina´ta  [TA]  the large, slightly concave area below the spinous process on the dorsal surface of the scapula; it is the site of origin of the infraspinatus muscle.

f. infraspino´sa ,  infraspinous f.  f. infraspinata.

f. infratempora´lis  [TA]  infratemporal fossa: the area on the side of the cranium limited superiorly by the infratemporal crest, posteriorly by the mandibular fossa, anteriorly by the infratemporal surface of the maxilla, and laterally by the zygomatic arch and part of the ramus of the mandible; called also zygomatic f., infratemporal region, and regio infratemporalis.

inguinal f., external  f. inguinalis lateralis.

inguinal f., internal  f. inguinalis medialis.

inguinal f., lateral  f. inguinalis lateralis.

inguinal f., medial ,  inguinal f., middle  f. inguinalis medialis.

f. inguina´lis latera´lis  [TA]  lateral inguinal fossa: the depression on the inside of the anterior abdominal wall lateral to the lateral umbilical fold; called also external inguinal f. or fovea, fovea inguinalis lateralis, and lateral inguinal fovea.

f. inguina´lis media´lis  [TA]  medial inguinal fossa: the depression on the inside of the anterior abdominal wall between the medial and lateral umbilical folds; called also internal inguinal f. or fovea, fovea inguinalis medialis, and medial or middle inguinal fovea.

intercondylar f. of femur  f. intercondylaris femoris.

intercondylar f. of femur, anterior  facies patellaris femoris.

intercondylar f. of tibia, anterior  area intercondylaris anterior tibiae.

intercondylar f. of tibia, posterior  area intercondylaris posterior tibiae.

f. intercondyla´ris fe´moris  [TA]  intercondylar fossa of femur: the posterior depression between the condyles of the femur; called also f. intercondyloidea femoris, intercondylar notch of femur, and popliteal notch or incisure.

f. intercondy´lica  f. intercondylaris femoris.

intercondyloid f.  see f. intercondylaris femoris, area intercondylaris anterior tibiae, and area intercondylaris posterior tibiae.

f. intercondyloi´dea ante´rior ti´biae  area intercondylaris anterior tibiae.

f. intercondyloi´dea fe´moris  f. intercondylaris femoris.

f. intercondyloi´dea poste´rior ti´biae  area intercondylaris posterior tibiae.

f. intermesoco´lica transver´sa  a recess of the peritoneum in the same situation as the recessus duodenalis superior, but extending transversely.

f. interpeduncula´ris  [TA]  interpeduncular fossa: a depression between the two cerebral peduncles, the floor of which is the posterior perforated substance; called also Tarin's f.

intersigmoid f.  recessus intersigmoideus.

f. ischioana´lis  [TA]  ischioanal fossa: the potential space between the pelvic diaphragm and the skin inferior to it; an anterior recess extends a variable distance, sometimes reaching the retropubic space. Called also ischiorectal f., f. ischiorectalis, and perineal f.

ischiorectal f. ,  f. ischiorecta´lis  f. ischioanalis.

Jobert's f.  the fossa in the popliteal region bounded above by the adductor magnus and below by the gracilis and sartorius, best seen when the knee is bent and the thigh strongly rotated outward.

f. of Jonnesco  the duodenojejunal fossa between the superior and inferior duodenal folds.

jugular f. ,  f. jugula´ris  1. f. supraclavicularis minor.  2. f. jugularis ossis temporalis.

f. jugula´ris os´sis tempora´lis  [TA]  jugular fossa of temporal bone: a prominent depression on the inferior surface of the petrous part of the temporal bone, forming the major part of the jugular notch; it forms the anterior and lateral wall of the jugular foramen and lodges the superior bulb of the internal jugular vein.

lacrimal f.  1. f. glandulae lacrimalis.  2. sulcus lacrimalis ossis lacrimalis.

f. of lacrimal gland  f. glandulae lacrimalis.

f. of lacrimal sac  f. sacci lacrimalis.

Landzert's f.  recessus paraduodenalis.

lateral f. of cerebrum  f. lateralis cerebralis.

f. of lateral malleolus  f. malleoli lateralis.

f. latera´lis cerebra´lis  [TA] ,  f. latera´lis ce´rebri  lateral cerebral fossa: a depression, in fetal life, on the lateral surface of each cerebral hemisphere at the bottom of which lies the insula; later it is closed over by the operculum, the edges of which form the lateral sulcus. Called also sylvian f., f. of Sylvius, and vallecula sylvii.

lenticular f. ,  lenticular f. of vitreous body  f. hyaloidea.

lesser f. of Scarpa  f. iliopectinea.

f. for ligamentum teres  fissura ligamenti teretis.

f. of little head of radius  fovea capituli radii.

longitudinal f.e of liver, right  fossae sagittales dextrae hepatis.

f. longitudina´lis he´patis  f. sagittalis sinistra hepatis.

Luschka's f.  recessus ileocaecalis superior.

Malgaigne's f.  trigonum caroticum.

f. malle´oli latera´lis  [TA]  fossa of lateral malleolus: a depression on the medial aspect of the lateral malleolus behind its articular surface.

f. mandibula´ris  [TA]  mandibular fossa: a prominent depression in the inferior surface of the squamous part of the temporal bone at the base of the zygomatic process, in which the condyloid process of the mandible rests. Called also articular f. of mandible or of temporal bone, condyloid f. of mandible or of temporal bone, and glenoid f. of temporal bone.

mastoid f. ,  mastoid f. of temporal bone  foveola suprameatica.

maxillary f.  f. canina.

mesentericoparietal f.  parajejunal f.

mesogastric f.  recessus duodenalis superior.

Mohrenheim's f.  f. infraclavicularis.

f. of Morgagni  f. navicularis urethrae.

f. mus´culi biven´teris  f. digastrica.

mylohyoid f. of mandible  fovea sublingualis.

myrtiform f.  incisive f. of maxilla.

nasal f.  the portion of the nasal cavity anterior to the middle meatus.

navicular f. of Cruveilhier  f. scaphoidea ossis sphenoidalis.

navicular f. of male urethra  f. navicularis urethrae.

navicular f. of sphenoid bone  f. scaphoidea ossis sphenoidalis.

f. navicula´ris ure´thrae  [TA] ,  f. navicula´ris ure´thrae [Morgagnii]  navicular fossa of male urethra: the lateral expansion of the urethra in the glans penis. Called also crypt, fossa, or fovea of Morgagni.

f. navicula´ris [vesti´buli vagi´nae]  f. vestibuli vaginae.

f. ole´crani  [TA] ,  olecranon f.  fossa of olecranon: a depression on the posterior surface of the humerus, above the trochlea, for lodging the olecranon of the ulna when the elbow is extended.

olfactory f.  ethmoid f.

f. of omental sac, inferior  recessus inferior bursae omentalis.

f. of omental sac, superior  recessus superior bursae omentalis.

oral f.  stomodeum.

oval f. of heart  f. ovalis cordis.

oval f. of thigh  hiatus saphenus.

f. ova´lis cor´dis  [TA]  oval fossa of heart: an oval depression in the right atrium on the lower part of the interatrial septum, within a triangular area bounded by the openings of the two venae cavae and the coronary sinus. It represents the remains of the fetal foramen ovale, its floor composed of the fetal septum primum.

Fossa ovalis cordis, in the right atrium, from the front and right.


Fossa ovalis cordis, in the right atrium, from the front and right.

f. ova´lis fe´moris  hiatus saphenus.

f. ova´rica  [TA]  ovarian fossa: a shallow pouch on the posterior surface of the broad ligament, in which the ovary is located.

paraduodenal f.  recessus duodenalis superior.

parajejunal f.  a pouch of peritoneum below the lower end of the first part of the jejunum.

pararectal f. ,  f. pararecta´lis [TA]  either of two cavities formed by folds of peritoneum, one on either side of the rectum, varying in size according to distention of the rectum; in males this is continuous with the rectovesical pouch and in females it is continuous with the rectouterine pouch. Called also pararectal pouch.

paravesical f. ,  f. paravesica´lis [TA]  the fossa formed by the peritoneum on each side of the urinary bladder, into which the obturator canal opens; in females it is the lateral part of the vesicouterine pouch.

parietal f.  the deepest portion of the inner surface of the parietal bone.

patellar f.  f. hyaloidea.

patellar f. of femur  facies patellaris femoris.

patellar f. of tibia  area intercondylaris anterior tibiae.

perineal f.  f. ischioanalis.

petrosal f. ,  f. for petrosal ganglion  fossula petrosa.

piriform f.  recessus piriformis.

pituitary f.  f. hypophysialis.

f. popli´tea  [TA] ,  popliteal f.  the depression in the posterior region of the knee; called also popliteal cavity.

popliteal f. of femur  f. intercondylaris femoris.

popliteal f. of tibia  area intercondylaris posterior tibiae.

postcondyloid f.  f. condylaris.

posterior f. of humerus  f. olecrani.

f. praenasa´lis ,  prenasal f.  incisive f. of maxilla.

prescapular f. ,  prespinous f.  a depression in the anterior surface of the spine of the scapula.

pterygoid f. of inferior maxillary bone  fovea pterygoidea mandibulae.

f. pterygoi´dea os´sis sphenoida´lis  [TA]  pterygoid fossa of sphenoid bone: the posteriorly facing fossa which is formed by the divergence of the medial and lateral pterygoid plates of the sphenoid bone, and lodges the origins of the internal pterygoid muscle and tensor veli palatini muscle.

pterygomaxillary f.  f. pterygopalatina.

f. pterygopalati´na  [TA]  pterygopalatine fossa: a small space between the anterior aspect of the root of the pterygoid process of the sphenoid bone and the posterior aspect of the maxilla. Called also pterygomaxillary f.

f. radia´lis hu´meri  [TA]  radial fossa of humerus: a depression on the anterior surface of the humerus just above the capitulum.

retrocecal f.  recessus retrocaecalis.

retroduodenal f.  a pouch of peritoneum below and behind the third portion of the duodenum.

f. retromandibula´ris  retromandibular fossa: the depression posterior to the angle of the mandible, on either side, inferior to the auricle.

f. rhomboi´dea  [TA]  rhomboid fossa: the floor of the fourth ventricle of the brain, made up of the dorsal surfaces of the medulla oblongata and pons. It is divided into superior, intermediate, and inferior parts.

Rosenmüller's f.  recessus pharyngeus.

f. sac´ci lacrima´lis  [TA]  the fossa that lodges the lacrimal sac, formed by the lacrimal sulcus of the lacrimal bone and the frontal process of the maxilla; called also lacrimal groove.

fos´sae sagitta´les dex´trae he´patis  a longitudinal fissure in the right lobe of the liver.

fos´sae sagitta´les he´patis  see fossae sagittales dextrae hepatis and f. sagittalis sinistra hepatis.

f. sagitta´lis sinis´tra he´patis  a longitudinal fissure in the left lobe of the liver, composed of the fossa venae umbilicalis in front and the fossa ductus venosi dorsally.

scaphoid f.  1. f. scaphoidea ossis sphenoidalis.  2. scapha.

f. scaphoi´dea os´sis sphenoida´lis  [TA]  scaphoid fossa of sphenoid bone: a depression on the superior part of the posterior portion of the medial plate of the pterygoid process of the sphenoid bone, giving attachment to the tensor veli palatini muscle. Called also navicular f. of Cruveilhier or of sphenoid bone.

f. scar´pae ma´jor  trigonum femorale.

sellar f.  f. hypophysialis.

semilunar f. of ulna  incisura trochlearis ulnae.

sigmoid f.  sulcus sinus transversi.

sigmoid f. of temporal bone  sulcus sinus sigmoidei ossis temporalis.

sigmoid f. of ulna  incisura trochlearis ulnae.

sigmoid f. of ulna, lesser  incisura radialis ulnae.

splenic f. of omental sac  recessus splenicus.

f. subarcua´ta os´sis tempora´lis  [TA]  subarcuate fossa of temporal bone: a small fossa on the internal surface of the petrous part of the temporal bone just inferior to the arcuate eminence, most prominent in the fetus. In the adult it lodges a piece of dura and transmits a small vein.

subcecal f.  recessus ileocaecalis inferior.

sublingual f.  fovea sublingualis.

submandibular f. ,  submaxillary f.  fovea submandibularis.

subpyramidal f.  a fossa on the inferior wall of the middle ear, inferior to the round window and posterior to the pyramid.

f. subscapula´ris  [TA]  subscapular fossa: the concave ventral surface of the body of the scapula.

subsigmoid f.  a fossa between the mesentery of the sigmoid flexure and that of the descending colon.

supraclavicular f., greater  fossa supraclavicularis major.

supraclavicular f., lesser  fossa supraclavicularis minor.

f. supraclavicula´ris ma´jor  [TA]  greater supraclavicular fossa: a depression on the surface of the body, located superior and posterior to the clavicle, lateral to the tendon of the sternocleidomastoid muscle. See also trigonum omoclaviculare.

f. supraclavicula´ris mi´nor  [TA]  lesser supraclavicular fossa: the region of the neck in the depression posterior to the clavicle, about the interval between the two tendons of the sternocleidomastoid muscle; called also Zang's space.

supracondyloid f.  a depression on the femur between the internal tuberosity and the internal supracondyloid tubercle.

supramastoid f.  foveola suprameatica.

suprasphenoidal f.  f. hypophysialis.

f. supraspina´ta  [TA]  the deeply concave area above the spinous process on the dorsal surface of the scapula from which the supraspinous muscle takes origin.

f. supraspino´sa ,  supraspinous f.  f. supraspinata.

f. supratonsilla´ris  [TA]  supratonsillar fossa: the triangular space between the palatoglossal and palatopharyngeal arches superior to the tonsil.

supratrochlear f., posterior  f. olecrani.

f. supravesica´lis  [TA]  supravesical fossa: the depression on the inside of the anterior abdominal wall between the median and the medial umbilical fold; called also fovea supravesicalis peritonaei.

sylvian f. ,  f. of Sylvius  1. f. lateralis cerebralis.  2. sulcus lateralis cerebri.

Tarin's f.  f. interpeduncularis.

temporal f. ,  f. tempora´lis [TA]  the area on the side of the cranium outlined posteriorly and superiorly by the temporal lines, anteriorly by the frontal and zygomatic bones, laterally by the zygomatic arch, and inferiorly by the infratemporal crest.

terminal f.  f. navicularis urethrae.

tibiofemoral f.  a palpable space between the articular surfaces of the tibia and femur; it may be either medial (internal tibiofemoral f.) or lateral (external tibiofemoral f.) to the inferior pole of the patella.

f. tonsilla´ris  [TA]  tonsillar fossa: the depression between the palatoglossal and palatopharyngeal arches in which the palatine tonsil is located; called also tonsillar sinus.

f. transversa´lis he´patis  porta hepatis.

f. of Treitz  recessus duodenalis superior.

f. triangula´ris auri´culae  [TA]  triangular fossa of auricle: the cavity just above the concha of the ear between the crura of the anthelix.

f. trochante´rica  [TA]  trochanteric fossa: a deep depression on the medial surface of the greater trochanter that receives the insertion of the tendon of the obturator externus muscle.

trochlear f. ,  f. trochlea´ris  fovea trochlearis.

ulnar f.  f. coronoidea humeri.

umbilical f., medial  f. inguinalis medialis.

f. umbilica´lis he´patis  fissura ligamenti teretis.

urachal f.  a depression on the inner surface of the anterior abdominal wall, between the urachus and the hypogastric artery; called also epigastric f.

f. ve´nae ca´vae  sulcus venae cavae.

f. ve´nae umbilica´lis  fissura ligamenti teretis.

vermian f.  a small fossa sometimes present on the interior surface of the occipital bone at the inferior end of the internal occipital crest; it houses part or all of the inferior cerebellar vermis.

f. vesi´cae bilia´ris  [TA]  fossa of gallbladder: the fossa on the posteroinferior surface of the liver that lodges the gallbladder and helps to separate the right and left lobes. Called also f. vesicae felleae [TA alternative].

f. vesi´cae fel´leae  TA alternative for f. vesicae biliaris.

vestibular f. ,  f. vesti´buli vagi´nae [TA]  fossa of vestibule of vagina: the part of the vestibule between the orifice of the vagina and the frenulum of the pudendal labia; called also fossa navicularis [vestibuli vaginae].

Waldeyer's f.  the recessus duodenalis inferior and recessus duodenalis superior considered as one space.

zygomatic f.  f. infratemporalis.

fossae (fos·sae) (fos´e) [L.]  genitive and plural of fossa.

fossette (fos·sette) (fos-et´) [Fr.]  1. a small depression.  2. a small and deep corneal ulcer.

fossula (fos·su·la) (fos´u-lə) gen. and pl fos´sulae [L., dim. of fossa]   [TA] a small fossa; anatomic nomenclature for a slight depression in the surface of a structure or organ.

f. of cochlear window  f. fenestrae cochleae.

costal f., inferior  fovea costalis inferior.

costal f., superior  fovea costalis superior.

f. fenes´trae coch´leae  [TA]  fossula of cochlear window: a depression on the medial wall of the tympanic cavity, at the bottom of which is the fenestra cochleae; called also f. of round window and niche of round window.

f. fenes´trae vesti´buli  [TA]  fossula of vestibular window: a depression on the medial wall of the tympanic cavity, at the bottom of which is the fenestra vestibuli; called also f. of oval window.

f. of oval window  f. fenestrae vestibuli.

f. petro´sa  [TA] ,  f. of petrous ganglion  petrosal fossula: a small depression on the inferior surface of the petrous portion of the temporal bone, on a small ridge separating the jugular fossa from the external carotid foramen.

f. post fenes´tram  a connective tissue tract just behind the oval window, resembling the fissula ante fenestram, but smaller and less constant.

f. of round window  f. fenestrae cochleae.

fos´sulae tonsil´lae tonsil´lae palati´nae  fossulae tonsillares tonsillae palatinae.

fos´sulae tonsil´lae tonsil´lae pharyn´geae ,  fos´sulae tonsil´lae tonsil´lae pharyngea´lis  fossulae tonsillares tonsillae pharyngealis.

tonsillar f.e of palatine tonsil  fossulae tonsillares tonsillae palatinae.

tonsillar f.e of pharyngeal tonsil  fossulae tonsillares tonsillae pharyngeae.

fos´sulae tonsilla´res tonsil´lae palati´nae  [TA]  tonsillar fossulae of palatine tonsil: the mouths of the tonsillar crypts of the palatine tonsils. Called also fossulae tonsillae tonsillae palatinae.

fos´sulae tonsilla´res tonsil´lae pharyn´geae  [TA] ,  fos´sulae tonsilla´res tonsil´lae pharyngea´lis  tonsillar fossulae of pharyngeal tonsil: the mouths of the tonsillar crypts of the pharyngeal tonsil.

f. of vestibular window  f. fenestrae vestibuli.

f. of window of cochlea  f. fenestrae cochleae.

f. of window of vestibule  f. fenestrae vestibuli.

fossulae (fos·su·lae) (fos´u-le) [L.]  genitive and plural of fossula.

fossulate (fos·su·late) (fos´u-lāt)  marked by a small fossa; hollowed or grooved.

Foster Kennedy (Fos·ter Ken·ne·dy)  see Kennedy.


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