papillary muscle

Introduction

One of the group of myocardial bundles which attach to the cusps of the AV valves & terminate in the chordae tendinae. Each valve has an anterior & posterior papillary muscle. The right ventricle sometimes has a septal papillary muscle

More specific terms

• anterior papillary muscle
• posterior papillary muscle
• septal papillary muscle

Additional terms

• chorda tendineae
• papillary muscle rupture