Nerve supply all mm. Long thoracic n. innervates serratus anterior m. 2. Small n. to subclavius mm. Posterior and anterior Does not give rise to any nerves Located deep to clavicle 4. Abductor pollicis longus 2.
Second part lies behind the pectoralis minor m.
Third part lies below the pectoralis minor m. In the center of the cubital fossa, the brachial artery divides to form the radial and ulnar aa. Join to form the brachial v. Brachial v. and basilic v. join to form axillary v. Cephalic v. joins axillary just before axillary becomes subclavian v. Medial cubital v. located within cubital fossa, connects the basilic and cephalic vv. A single lactiferous duct from each lobe opens onto the nipple Blood supply comes from the internal thoracic a. and branches from intercostal and axillary aa.