| mallear fold | One of two ligamentous bands, anterior and posterior, making folds on the tympanic side of the tympanic membrane extending from each extremity of the tympanic notch to the malleolar prominence; they mark the boundary between the tense and the flaccid portions of the tympanic membrane. Synonym: plica mallearis, plica membranae tympani, Troltsch's fold. (05 Mar 2000) |
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| mallear prominence | A small prominence at the upper end of the stria mallearis produced by the lateral process of the malleus. Synonym: prominentia mallearis. (05 Mar 2000) |
| mallear stripe | A bright line seen through the membrana tympani, produced by the attachment of the manubrium of the malleus. Synonym: mallear stripe. (05 Mar 2000) |
| adipose folds of the pleura | Lobules of fat enveloped in the pleura, chiefly in the neighborhood of the costomediastinal sinus. Synonym: adipose folds of the pleura. (05 Mar 2000) |
| alar folds | Winglike lateral fringes or expansions of the plica synovialis infrapatellaris. Synonym: ligamenta alaria, plicae alares, alar ligaments, odontoid ligament. (05 Mar 2000) |
| ampullary folds of uterine tube | One of the folds of mucous membrane at the fimbriated extremity of the uterine tube. Synonym: plicae ampullares tubae uterinae. (05 Mar 2000) |
| caecal folds | The two peritoneal folds that border the retrocaecal fossa. Synonym: plicae caecales. (05 Mar 2000) |
| palmate folds | The two longitudinal ridges, anterior and posterior, in the mucous membrane lining the cervix uteri, from which numerous secondary folds, or rugae, branch off. Synonym: plicae palmatae, arbor vitae uteri, lyra uterina. (05 Mar 2000) |
| gastric folds | Characteristic folds of the gastric mucosa, especially evident when the stomach is contracted. Synonym: plicae gastricae, gastric folds, ruga gastrica. (05 Mar 2000) |
| gastropancreatic folds | The folds of peritoneum in the omental bursa that encase the hepatic and left gastric arteries as these vessels pass toward their destinations. Synonym: plicae gastropancreaticae. (05 Mar 2000) |
| rectal folds | The three or four crescentic folds placed horizontally in the rectal mucous membrane; the superior rectal fold is situated near the beginning of the rectum on the left side; the middle rectal fold (Nelaton's fold) is most prominent and consistent and projects from the right side about 8 cm above the anus (approximately the level of the floor of the rectouterine or rectovesical pouch); the inferior rectal fold is on the left side about 5 cm above the anus. Synonym: plicae transversales recti, Houston's folds, Houston's valves, Kohlrausch's valves, plicae recti, rectal folds, rectal valves. (05 Mar 2000) |
| giant gastric folds | Enlarged gastric submucosal ridges covered by hyperplastic mucosa, as seen in Zollinger-Ellison syndrome, Menetrier's disease, and hypertrophic hypersecretory gastropathy. (05 Mar 2000) |
| medullary folds | Synonym: neural folds. (05 Mar 2000) |
| Rindfleisch's folds | Semilunar fold's of the serous surface of the pericardium, embracing the beginning of the aorta. (05 Mar 2000) |
| ciliary folds | A number of low ridges in the furrows between the ciliary processes; together with the processes they constitute the corona ciliaris. Synonym: plicae ciliares. (05 Mar 2000) |