Skip to Content
Medical Term:

pectoralis minor (muscle)

 

Definition: deep thoracoappendicular muscle of chest; origin, third to fifth ribs at the costochondral articulations; insertion, tip of coracoid process of scapula; action, draws down scapula or raises ribs; nerve supply, medial pectoral nerve.

Synonym(s): musculus pectoralis minorTA, smaller pectoral muscle

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
Hide