Axillary Cavity -

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

The axilla is defined by several muscular and skeletal landmarks that shift shape with shoulder movement: axillary cavity

: Consists of the serratus anterior muscle and the first four or five ribs. : The narrowest part, formed by the intertubercular

: Formed by the axillary fascia and the skin of the armpit. : The narrowest part