pectoralis minor (muscle)
Also found in: Dictionary, Thesaurus.
Related to pectoralis minor (muscle): Pectoralis major muscle
pec·to·ra·lis mi·nor (mus·cle)[TA]
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.