Axillary Brachial Plexus

Axilla - Median, Ulnar, Radial, and MC Nerve

Click on the images below for a high resolution version.

Ultrasound transducer position to image the axilla: median, ulnar, radial, and musculocutaneous nerves

Ultrasound image of the axilla: median, ulnar, radial, and musculocutaneous nerves

Ultrasound image of the labeled axilla: median, ulnar, radial, and musculocutaneous nerves

Cross sectional anatomy of the axilla: median, ulnar, radial, and musculocutaneous nerves

Key:
MCN - Musculocutaneous Nerve
MN - Median Nerve
AA - Axillary Artery
CB - Coracobrachialis Muscle
AV - Axillary Vein
UN - Ulnar Nerve
RN - Radial Nerve