Medical dictionary. 2011.
pleuropericardial folds — a pair of small ridges that originate along the lateral body walls in the fifth week of embryonic development and project into the cranial ends of the pericardioperitoneal canals to divide the pleural cavities from the pericardial cavity; they… … 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
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
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
