medical Definition of cardiomyocyte
: a muscle cell of the heart
- A deficiency of cardiomyocytes underlies most cases of heart failure, and scientists have long sought to repopulate the heart with new cardiomyocytes.
- —Charles E. Murry et al., The New England Journal of Medicine, 13 Jan. 2011
- … they have converted human embryonic stem cells into cardiomyocytes, the muscle cells that drive the beating of the heart.
- —John Travis, Science News, 1 Sept. 2001
