What are the anatomic landmarks of the axilla?
The axilla is a pyramidal structure consisting
of an apex and base and surrounded on all four sides by different anatomic
landmarks. The clavicle makes up the apex of the axilla, and its base is the
concave armpit. The anterior wall consists of the pectoralis muscles. The
posterior wall embodies the scapula and scapular muscles, the subscapu-laris,
and teres major. The median wall is made up of the serratus anterior muscle and
the humerus comprises the lateral wall, along with its surrounding muscles and