pleuroperitoneal membrane

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• Pleuroperitoneal — is a term denoting the pleural and peritoneal serous membranes or the cavities they line. It is divided from the pericardial cavity by the transverse septum …   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

• Thoracic diaphragm — diaphragm Respiratory system Latin diaphragma Artery Pericardiacophrenic artery …   Wikipedia

• Hiatus — An opening, as in the diaphragm. When there is an unusually wide opening in the diaphragm, there can be a hiatus (or hiatal) hernia. In Latin an hiatus is an opening, gaping mouth, or chasm. It is derived from the verb hiare meaning to gape or… …   Medical dictionary

• Hernia — A general term referring to a protrusion of a tissue through the wall of the cavity in which it is normally contained. More specifically, a hernia often refers to an opening or weakness in the muscular structure of the wall of the abdomen. This… …   Medical dictionary

• Bochdalek's foramen — is a defect in the diaphragm normally posterior lateral. It is formed by the incomplete closure of the pericardioperitoneal canals by the pleuroperitoneal membrane. The existence of this foramen might cause a congenital diaphragmatic hernia,… …   Wikipedia

• congenital diaphragmatic hernia — congenital protrusion of abdominal viscera into the thorax through an opening in the diaphragm resulting from defective development of the pleuroperitoneal membrane; it often leads to fatal pulmonary hypoplasia. The most common types are… …   Medical dictionary

• suprarenal ridge — a caudal projection of the dorsal portion of the pleuroperitoneal membrane of the embryo, in which the adrenal cortex develops …   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

• Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… …   Medical dictionary