chordae tendineae


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Related to chordae tendineae: Papillary muscles, chordae tendineae spuriae

chorda

 [kor´dah] (pl. chor´dae) (L.)
a cord or sinew. adj., adj chor´dal.
chorda mag´na Achilles tendon.
chor´dae tendi´neae tendinous cords connecting the two atrioventricular valves to the appropriate papillary muscles in the heart ventricles.
Chordae tendineae of the posterior cusps of atrioventricular valves in a cross-section of the heart. From Dorland's, 2000.
chorda tym´pani a nerve originating from the facial nerve, distributed to the submandibular, sublingual, and lingual glands and the anterior two-thirds of the tongue; it is a parasympathetic and special sensory nerve.
chorda umbilica´lis umbilical cord.
chorda voca´lis vocal cord.

chordae tendineae

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Chordae tendineae

chordae tendineae

stringlike processes in the heart that attach the edges of the bicuspid and tricuspid valves to the walls of the ventricles, preventing them from being forced back into the atria when the ventricles contract.
References in periodicals archive ?
For infants receiving PBPV, complications related to procedural mechanical injuries are markedly higher compared to the elder group, including damage to myocardium, perforation of the cardiac chamber,[16] rupture of the chordae tendineae, and other mild complications such as vascular injuries.
This high rate of success is possible once the surgeon's initial learning curve is completed and by using special techniques such as chordal transposition or insertion of artificial chordae, in particular to repair the ruptured chordae tendineae in the anterior leaflet.
The chordae tendineae were ensheathed with a layer of endothelium and were composed of dense bundles of collagenfibers, few elasticfibers, fibroblasts, andbloodvessels.
9] The present study was done for the morphological and morphometric analysis of chordae tendineae and to compare the morphometric measurements among cadaveric and autopsied heart specimens of south Indians and to find out the effect of formalin in causing shrinkage of chordae tendineae.
The chordae tendineae are like parachute cords that prevent the inversion of the AV valves.
The papillary muscles connect tendons called chordae tendineae to the tricuspid valve in the right ventricle and to the mitral valve in the left ventricle.
1) Rupture of mitral chordae tendineae may result in severe mitral regurgitation, and may cause pulmonary edema.
SUMMARY: Chordae tendineae architecture and their junction with papillary muscle were studied with scanning electron microscopy, comparing human and swine hearts.
Histologically, the valve architecture is intact, with encasement of the leaflets and chordae tendineae by a stuck-on, plaquelike lesion made up of myofibroblasts in a myxoid extra-cellular matrix.
Rupture of chordae tendineae is a main cause of mitral valve insufficiency, requiring corrective surgery.
The NeoChord procedure was developed to treat mitral prolapse caused by ruptured or elongated chordae tendinae -- the primary cause of degenerative mitral regurgitation via minimally invasive implantation of artificial chordae tendineae.
In our experience, usually, the major part of the anterior leaflet was not downward displaced and attached in the normal position of the tricuspid annulus, while, often with poor leaflet development, reduced motion, poor development of the papillary muscles and chordae tendineae.