What are the enlarged muscles attached to chordae tendinae?

Papillary muscles. The papillary muscles are the muscular attachments of the chordae. These along with the valve leaflets and annuli are the mitral and tricuspid apparati.
Papillary muscles. The ventricular tissue that give rise to the chordae are often referred to as papillary muscles.

Related Questions

What are the enlarged muscles in ventricles attached to chordae tendinae known as?

Papillary muscles. The ventricular tissue that give rise to the chordae are often referred to as papillary muscles. Read more...
Papillary muscle. The papillary muscles attach to the cusps of the atrioventricular valves (a.K.A. The mitral and tricuspid valves) via the chordae tendinae and contract to prevent inversion or prolapse of these valves. Read more...