valve of foramen ovale
Look at other dictionaries:
Foramen ovale — Trou de Botal Pour les articles homonymes, voir Trou. Le foramen ovale, dénommé anciennement, trou de Botal, est une communication physiologique présente entre les deux oreillettes durant la vie fœtale et normalement appelée à se fermer après la… … Wikipédia en Français
valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure … Medical dictionary
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
Foramen oval — Trou de Botal Pour les articles homonymes, voir Trou. Le foramen ovale, dénommé anciennement, trou de Botal, est une communication physiologique présente entre les deux oreillettes durant la vie fœtale et normalement appelée à se fermer après la… … Wikipédia en Français
foramen — n.; pl. foramina an opening or hole, particularly in a bone. The apical foramen is the small opening at the apex of a tooth. The foramen magnum is a large hole in the occipital bone through which the spinal cord passes. The foramen ovale is the… … The new mediacal dictionary
Primary interatrial foramen — Interior of dorsal half of heart from a human embryo of about thirty days. (Ostium primum visible below septum primum, but not labeled.) Latin … Wikipedia
Heart valve dysplasia — is a congenital heart defect which affects the aortic, pulmonary, mitral, and tricuspid heart valves. Pulmonary valve stenosis and aortic valve stenosis are discussed separately. Dysplasia of the mitral and tricuspid valves can cause leakage of… … Wikipedia
eustachian valve — noun Usage: often capitalized E : a crescent shaped fold of the lining membrane of the heart at the entrance of the vena cava inferior that directs the blood through the foramen ovale to the left auricle in the fetus but is rudimentary and… … Useful english dictionary
eustachian valve — n, often cap E a crescent shaped fold of the lining membrane of the heart at the entrance of the inferior vena cava that directs the blood through the foramen ovale to the left atrium in the fetus but is rudimentary and functionless in the adult… … Medical dictionary
Stroke — For other uses, see Stroke (disambiguation). Stroke Classification and external resources CT scan slice of the brain showing a right hemispheric ischemic stroke (left side of image). ICD 10 … Wikipedia
