| / English Dictionary |
PAPILLARY MUSCLE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Any of several muscles associated with the atrioventricular valves
Example:
the papillary muscles contract during systole to prevent regurgitation of blood into the atria
Classified under:
Hypernyms ("papillary muscle" is a kind of...):
cardiac muscle; heart muscle (the muscle tissue of the heart; adapted to continued rhythmic contraction)
Holonyms ("papillary muscle" is a part of...):
atrioventricular valve (either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium)
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