follow Dictionary.com

Get our exclusive Word of the Day images!

papillary muscle

noun, Anatomy
1.
one of the small bundles of muscles attached to the ventricle walls and to the chordae tendineae that tighten these tendons during ventricular contraction.
Origin
1885-1890
1885-90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
papillary-muscle in Medicine

papillary muscle n.
Any of the group of myocardial bundles that terminate in the tendinous cords that attach to the cusps of the atrioventricular valves.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for papillary muscle

Few English speakers likely know this word

Word Value for papillary

16
0
Scrabble Words With Friends

Quotes with papillary-muscle