Medical Dictionary

papillary muscle

noun

Medical Definition of PAPILLARY MUSCLE

:  one of the small muscular columns attached at one end to the chordae tendineae and at the other to the wall of the ventricle and that maintain tension on the chordae tendineae as the ventricle contracts

Browse

May 26, 2015
sacrilegious Hear it
grossly irreverent
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears