Vessel
Ulnar artery
Medial forearm artery
High-yield
Enters the hand superficial to the flexor retinaculum (Guyon's canal) with the ulnar nerve; chiefly forms the superficial palmar arch.
Overview
The larger terminal branch of the brachial artery descending the medial forearm, chiefly forming the superficial palmar arch of the hand.
Reference facts
- Type
Muscular artery
- Origin
Brachial artery (in the cubital fossa)
- Branches / tributaries
Common interosseous artery (→ anterior and posterior interosseous); Palmar and dorsal carpal branches; Deep palmar branch
- Supplies
Medial forearm, wrist, and hand (mainly the superficial palmar arch)
- Course
Descends on the medial forearm, passes through Guyon's canal lateral to the pisiform, and continues as the superficial palmar arch