urorectal
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Urorectal septum — Infobox Embryology Name = PAGENAME Latin = GraySubject = 241 GrayPage = 1109 Caption = Cloaca of human embryo from twenty five to twenty seven days old. Caption2 = System = CarnegieStage = Days = 32 Precursor = GivesRiseTo = MeshName = MeshNumber … Wikipedia
urorectal septum — the caudally and outwardly growing wedge of endoderm covered mesoderm that divides the cloaca into the urogenital sinus and rectum, and the cloacal outlet into the urogenital orifice and anus; called also urorectal fold and cloacal s … Medical dictionary
urorectal fold — see under septum … Medical dictionary
cloacal septum — urorectal s … Medical dictionary
membrane — 1. A thin sheet or layer of pliable tissue, serving as a covering or envelope of a part, as the lining of a cavity, as a partition or septum, or to connect two structures. SYN: membrana [TA]. 2. SYN: biomembrane. [L. membrana, a skin or m … Medical dictionary
Septum — A word borrowed from the Latin "saeptum" meaning a "dividing wall or enclosure." * * * 1. [TA] A thin wall dividing two cavities or masses of softer tissue. See septal area, transparent s.. 2. In fungi, a wall; usually a cross … Medical dictionary
fold — 1. A ridge or margin apparently formed by the doubling back of a lamina. SYN: plica. 2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina … Medical dictionary
Hymen — This article is about the vaginal mucous membrane fold. For the god and other uses, see Hymen (disambiguation). Hymen External genital organs of female. The labia minora have been drawn apart. Latin hymen vaginae … Wikipedia
Embryology — 1 morula, 2 blastula 1 blastula, 2 gastrula with blastopor … Wikipedia
Mesentery — Horizontal disposition of the peritoneum in the lower part of the abdomen. The mesentery is marked with red … Wikipedia
