Axillary Cavity ❲BEST❳

Anatomy, Shoulder and Upper Limb, Axilla - StatPearls - NCBI

: The narrowest part, formed by the intertubercular sulcus (bicipital groove) of the humerus. Core Contents axillary cavity

: Consists of the serratus anterior muscle and the first four or five ribs. Anatomy, Shoulder and Upper Limb, Axilla - StatPearls

: Primarily composed of the pectoralis major and pectoralis minor muscles. Shoulder and Upper Limb

: Formed by the axillary fascia and the skin of the armpit.

The cavity is filled with fat and connective tissue, which cushions several major structures: