What forms the superficial palmar arch?
The superficial palmar arch is formed predominantly by the ulnar artery, with a contribution from the superficial palmar branch of the radial artery.
What is the main contributor to the superficial palmar arch?
The superficial palmar arch is an anastomotic vessel found in the palmar (volar) compartment of the hand. Its main source is the ulnar artery, with a smaller contribution from the radial artery.
What is palmar Archerial?
The deep palmar arch (deep volar arch) is an arterial network found in the palm. It is usually primarily formed from the terminal part of the radial artery. The ulnar artery also contributes through an anastomosis.
What is princeps Pollicis?
The princeps pollicis artery is a small muscular artery that branches from the deep palmar arch. This artery then ascends the thumb passing between two muscles. The princeps pollicis artery splits the oblique head of the adductor pollicis muscle and the first interosseous muscle.
Are there any major blood vessels in your fingers?
Each finger has two proper digital arteries that run on either side along its length. If one of these vessels is injured, the several connections between these two proper digital arteries usually maintain the blood supply to the entire finger.
What is Palmar Aponeurosis?
The Palmar aponeurosis is the central part of the deep fascia of the palm which is a highly specialized thickened structure with little mobility. It is triangular in shape and it covers the underlying neurovascular and tendon structures.
Where is your Palmar?
The front, or palm-side, of the hand is referred to as the palmar side. The back of the hand is called the dorsal side. There are 27 bones within the wrist and hand. The wrist itself contains eight small bones, called carpals.
What is the opponens pollicis?
Opponens pollicis is a short intrinsic muscle of the hand. It belongs to a group called thenar muscles, along with adductor pollicis, abductor pollicis and flexor pollicis brevis.
Are there blood vessels in your thumb?
The thumb receives its blood supply from the digital arteries to the thumb. The largest of these is a branch from the deep palmar arch and is called the “princeps pollicis” artery.