| duodenojejunal recess | A peritoneal recess extending upward behind the superior duodenal fold. Synonym: recessus duodenalis superior, duodenojejunal fossa, duodenojejunal recess, Jonnesco's fossa, superior duodenal fossa. (05 Mar 2000) |
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| inferior duodenal recess | The variable peritoneal recess which lies behind the inferior duodenal fold and along the ascending part of the duodenum. Synonym: recessus duodenalis inferior, Gruber-Landzert fossa, inferior duodenal fossa. (05 Mar 2000) |
| inferior ileocaecal recess | A deep fossa sometimes found between the ileocaecal fold, the mesoappendix, and the caecum. Synonym: recessus ileocaecalis inferior. (05 Mar 2000) |
| inferior omental recess | A recess of the omental bursa extending between anterior and posterior layers of the great omentum. Synonym: recessus inferior omentalis. (05 Mar 2000) |
| infundibular recess | A funnel-shaped diverticulum leading from the anterior portion of the third ventricle down into the infundibulum of the hypophysis. Synonym: recessus infundibuli, aditus ad infundibulum. (05 Mar 2000) |
| intersigmoid recess | A triangular peritoneal recess behind and below the sigmoid colon created by the attachment of the sigmoid mesocolon ascending across the left psoas then turning sharply to descend into the pelvis; the left ureter (pars tecta ureterica) passes posterior to this recess. Synonym: recessus intersigmoideus. (05 Mar 2000) |
| optic recess | A diverticulum extending forward from the anterior part of the third ventricle above the optic chiasm. Synonym: recessus opticus. (05 Mar 2000) |
| elliptical recess | An oval depression in the roof and inner wall of the vestibule of the labyrinth, lodging the utriculus. Synonym: recessus ellipticus, fovea elliptica, fovea hemielliptica. (05 Mar 2000) |
| triangular recess | An occasional evagination of the anterior wall of the third ventricle of the brain between the anterior commissure and the diverging pillars of the fornix. Synonym: recessus triangularis. (05 Mar 2000) |
| 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) |
| tubotympanic recess | The dorsal portion of the embryonic first endodermal pharyngeal pouch; it develops into the middle ear cavity. (05 Mar 2000) |
| Jacquemet's recess | A pouch of peritoneum between the gallbladder and the liver. (05 Mar 2000) |
| lateral recess of fourth ventricle | The narrow recess of the ventricle that extends laterally over, and down along the side of, the inferior cerebellar peduncle and the overlying cochlear nuclei; at its tip it opens by way of Luschka's foramen into the interopeduncular cistern of the subarachnoid space. By way of this recess, part of the choroid plexus of the fourth ventricle protrudes into the subarachnoid space. Synonym: recessus lateralis ventriculi quarti. (05 Mar 2000) |