Arising as a long tendon from the sterno-scapular ligament, it passes the axilla by means of a fibrous pulley, accompanies the axillary vessels and nerves along the humerus, and is inserted by a few fleshy fibres on the base of the last two or three cubital quills.
in length; the body is depressed,, covered above with minute granules and tubercles; a distinct fold of skin extends from the axilla to the groin, reminding of the similar fold of some Anguidae, to which this singular genus seems to be allied.
As an established minimally invasive technique, sentinel node biopsy is a very accurate means of staging the axilla for early breast cancer.
It forms the anterior wall and fold of the axilla, extending to attach to the proximal humerus.
The commonest seat is the groin, and next to that the axilla; the cervical, submaxillary and femoral glands are less frequently affected.