- pleuroperitoneal foramen
- 1. hiatus pleuroperitonealis. 2. Morgagni f. (def. 1).
Medical dictionary. 2011.
pleuroperitoneal foramen
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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
pleuroperitoneal hiatus — hiatus pleuroperitonealis a posterolateral opening in the fetal diaphragm; its failure to close leaves a congenital posterolateral defect that may become a site for a congenital diaphragmatic hernia. Called also foramen of Bochdalek … 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
Morgagni foramen — 1. a small defect on either side, between the sternal and costal portions of the diaphragm, allowing passage of the superior epigastric blood vessels and a few lymphatic vessels; called also pleuroperitoneal f. 2. f. caecum linguae. 3. f.… … Medical dictionary
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
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
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
canal — A duct or channel; a tubular structure. SEE ALSO: c., duct. SYN: canalis [TA]. [L. canalis] abdominal c. SYN: inguinal c.. accessory c. a channel leading from the root … Medical dictionary
triangle — In anatomy and surgery, a three sided area with arbitrary or natural boundaries. SEE ALSO: trigonum, region. [L. triangulum, fr. tri , three, + angulus, angle] anal t. [TA] the posterior portion of the perineal region through which the … Medical dictionary
Bochdalek hernia — a congenital diaphragmatic hernia due to failure of closure of the pleuroperitoneal hiatus (foramen of Bochdalek). Called also foramen of Bochdalek h., parasternal h., and retrosternal h. See illustration. Bochdalek hernia in an infant, with… … Medical dictionary
