| AIIS | anterior inferior iliac spine |
|---|---|
| IA | ibotenic acid; immune adherence; immunoadsorbent; immunobiologic activity; impedance angle; indolami... |
| IC | icteric, icterus; immune complex; immunoconjugate; immunocytochemistry; immunocytotoxicity; impedanc... |
| IEA | immediate early antigen; immunoelectroadsorption; immunoelectrophoretic analysis; infectious equine ... |
| IFG | inferior frontal gyrus; interferon gamma |
| hepatoenteric recess | A peritoneal recess at the caudal end of the embryonic pneumatoenteric recess; it separates the developing liver and stomach. (05 Mar 2000) |
|---|---|
| hepatorenal recess | The deep recess of the peritoneal cavity on the right side extending upward between the liver in front and the kidney and suprarenal behind; this is a gravity-dependent portion of the peritoneal cavity when in the supine position; fluids draining from the omental bursa drain here. Synonym: recessus hepatorenalis, hepatorenal pouch, Morison's pouch. (05 Mar 2000) |
| Hyrtl's epitympanic recess | The upper portion of the tympanic cavity above the tympanic membrane; it contains the head of the malleus and the body of the incus. Synonym: recessus epitympanicus, attic, epitympanic space, epitympanum, Hyrtl's epitympanic recess, tympanic attic. (05 Mar 2000) |
| sphenoethmoidal recess | A small cleftlike pocket of the nasal cavity above the superior concha into which the sphenoid sinuses drain. Synonym: recessus sphenoethmoidalis. (05 Mar 2000) |
| spherical recess | A rounded depression on the inner wall of the vestibule of the labyrinth, lodging the sacculus. Synonym: recessus sphericus, fovea hemispherica, fovea spherica. (05 Mar 2000) |
| splenic recess | The extension of the omental bursa toward the hilum of the spleen. Synonym: recessus splenicus, recessus lienalis. (05 Mar 2000) |
| subhepatic recess | The part of the peritoneal cavity between the visceral surface of the liver and the transverse colon. Synonym: recessus subhepaticus. (05 Mar 2000) |
| subpopliteal recess | The extension of the cavity of the knee joint between the tendon of the popliteus and lateral condyle of the femur. Synonym: recessus subpopliteus, bursa of popliteus. (05 Mar 2000) |
| superior azygoesophageal recess | The region above the azygos vein arch in which the right lung is in contact with the oesophagus. (05 Mar 2000) |
| superior ileocaecal recess | A shallow pouch occasionally existing between the terminal ileum, the caecum, and the ileocolic artery when the latter is present. Synonym: recessus ileocaecalis superior. (05 Mar 2000) |
| superior omental recess | A portion of the vestibule of the bursa omentalis that extends upward between the inferior vena cava and the oesophagus. Synonym: recessus superior omentalis. (05 Mar 2000) |
| superior recess of lesser peritoneal sac | Pneumoenteric recess, a recess of the embryonic celom between the right lung bud and the gut; it is normally largely obliterated before birth, leaving only the superior recess of the vestibule of the lesser peritoneal sac as a vestige. (05 Mar 2000) |
| superior recess of tympanic membrane | A space in the mucous membrane on the inner surface of the tympanic membrane between the flaccid part of the membrane and the neck of the malleus. Synonym: recessus membranae tympani superior, Prussak's pouch, Prussak's space. (05 Mar 2000) |
| suprapineal recess | A variable diverticulum from the posterior portion of the third ventricle of the brain, running backward some distance above and beyond the pineal recess. Synonym: recessus suprapinealis. (05 Mar 2000) |
| supratonsillar recess | The interval between the palatoglossal and palatopharyngeal arches above the tonsil, most obvious after the tonsil has regressed in the adult. Synonym: fossa supratonsillaris, supratonsillar recess, Tourtual's sinus. (05 Mar 2000) |