pleuroperitoneal membranes

pleuroperitoneal membranes
a pair of partitions in the embryo that close off the pericardioperitoneal canals and separate the pleural cavities from the peritoneal cavity; formed by enlargement of the pleuroperitoneal folds; they develop into the posterolateral portions of the diaphragm.

Medical dictionary. 2011.

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  • pleuroperitoneal folds — a pair of crescent shaped ridges that originate along the lateral body walls of in the fifth week of embryonic development and project into the caudal ends of the pericardioperitoneal canals to divide the pleural cavities from the peritoneal… …   Medical dictionary

  • Pleuroperitoneal — Pleu ro*per i*to*ne al, a. (Anat.) Of or pertaining to the pleural and peritoneal membranes or cavities, or to the pleuroperitoneum. [1913 Webster] …   The Collaborative International Dictionary of English

  • pleuroperitoneal — noun The pleural and peritoneal serous membranes or the cavities they line …   Wiktionary

  • Lateral plate mesoderm — Infobox Embryology Name = PAGENAME Latin = GraySubject = 6 GrayPage = 50 Caption = Transverse section of a chick embryo of forty five hours’ incubation. * Chordamesoderm: yellow, at notochord. * Paraxial mesoderm: red, at somite. * Intermediate… …   Wikipedia

  • 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

  • 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

  • mammal — mammallike, adj. /mam euhl/, n. any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg laying monotremes, giving birth to… …   Universalium

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