Anterior view of the supracondylar process of the humerus, showing the biceps, ulnar n., superior ulnar collateral a., brachial a., median n., and pronator teres. In the right image the anatomy has been removed to isolate the supracondylar process.

Brachial plexus.

Sternocostal (anterior) surface of the heart and great vessels in situ.

Anteromedial view of anomalous division of the brachial artery.

Anatomy of brachial plexus region showing damage to the cervical nerve roots resulting in Erb's palsy.

Scheme of motor innervation of anterior forearm muscles.

Sternocostal surface of heart and vessels in situ. L. A. D. (left anterior descending branch of left coronary artery).

An EMT measures the blood pressure of a female patient. Insert shows how the brachial artery is located. In the main image the EMT listens with the stethoscope over the brachial artery as he deflates the cuff.

Anterior view of the posterior and medial walls of the axilla with pectoralis minor muscle excised, lateral and medial cords retracted, and axillary vein removed.

Dorsal scapular region. Quadrangular space and triangular interval.

Transverse section through shoulder joint and axilla. The insert indicates the level of dissection.

Anterior view of the cubital fossa with biceps muscle excised and cubital fossa opened widely, exposing the brachialis and supinator muscles.

Brachial artery and nerves of arm in situ