| plicae recti | 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) |
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| plicae transversales recti | 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) |
| diastasis recti | Separation of rectus abdominis muscles away from the midline, sometimes seen during or following pregnancy. (05 Mar 2000) |
| flexura perinealis recti | The anteroposterior curve with convexity anteriorward of the last portion of the rectum. Synonym: flexura perinealis recti, anorectal angle, anorectal flexure. (05 Mar 2000) |
| flexura sacralis recti | The anteroposterior curve with concavity anteriorward of the first portion of the rectum. Synonym: flexura sacralis recti. (05 Mar 2000) |
| lacertus musculi recti lateralis | <anatomy> The part of the tendon of origin of the lateral rectus muscle attaching to the greater wing of the sphenoid bone, lateral to the common tendinous ring; often incorrectly equated to the lateral check ligament of the eyeball. Synonym: lacertus musculi recti lateralis. (05 Mar 2000) |
| lamina anterior vaginae musculi recti abdominis | The portion of the rectus sheath that lies anterior to the muscle, consisting in its upper two-thirds of contributions from the aponeuroses of the external and internal oblique muscles, and in its lower third (below the arcuralt line) of contributions from the aponeuroses of all three muscles of the anterolateral abdominal wall. Synonym: lamina anterior vaginae musculi recti abdominis. (05 Mar 2000) |
| lamina posterior vaginae musculi recti abdominis | The portion of the sheath of the rectus abdominis muscle that lies posterior to the muscle covering only its upper two-thirds; it is formed by contributions from the aponeuroses of the internal oblique and transversus abdominis muscles; its free inferior margin forms the arcuate line; it is deficient below this, the posterior aspect of the muscle being covered only by transversalis fascia and peritoneum. Synonym: lamina posterior vaginae musculi recti abdominis. (05 Mar 2000) |
| folliculi lymphatici recti | Scattered collections of lymphoid tissue in the wall of the rectum. Synonym: lymphatic follicles of rectum. (05 Mar 2000) |
| linea arcuata vaginae musculi recti abdominis | A crescentic line, not always clearly defined, which marks the lower limit of the posterior layer of the sheath of the rectus abdominis muscle. Synonym: linea arcuata vaginae musculi recti abdominis, Douglas' line, linea saemicircularis, saemicircular line. (05 Mar 2000) |
| regio olfactoria tunicae mucosae nasi | The specialised olfactory receptive area that includes the upper one-third of the nasal septum and the lateral wall above the superior concha; it is lined with olfactory mucosa. Synonym: regio olfactoria tunicae mucosae nasi, olfactory region of tunica mucosa of nose, Schultze's membrane. (05 Mar 2000) |
| regio respiratoria tunicae mucosae nasi | The area commencing at the vestibule of the nose lined with respiratory mucosa; with the exception of the olfactory mucusa, it includes the entire nasal cavity. Synonym: regio respiratoria tunicae mucosae nasi, respiratory region of tunica mucosa of nose. (05 Mar 2000) |
| plicae tunicae mucosae vesicae felleae | The interlacing folds of the mucosa that produce a honeycomb appearance in the interior of the gallbladder. Synonym: plicae tunicae mucosae vesicae felleae. (05 Mar 2000) |
| tunicae funiculi spermatici | coverings of spermatic cord |
| lamina parietalis tunicae vaginalis testis | The outer part of the tunica vaginalis testis supported by the internal spermatic fascia. Synonym: lamina parietalis tunicae vaginalis testis. (05 Mar 2000) |