Hand Vein Anatomy

Those are flexion extension abduction and adduction of the hand. The veins on the adjacent borders of the fingers form a network.

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The anatomy of hand is the key for individuality of hand based biometrics.

Hand vein anatomy. Aug 5 2016 explore sergmel9s board veins anatomy followed by 229 people on pinterest. The ulna articulates with the pyramid shaped triquetrum via a pad of triangular fibrocartilage. The hand geometry biometric largely repre sents the anatomy of hand bones and muscles.

The arteries and veins the ulnar and radial arteries carry blood down through the forearm into the wrist where they anastomose join together to form arches. Bones of the hand. These veins tend to be a good place for venipuncture because the metacarpus bones make for a natural splint.

The radius articulates with the cashew shaped scaphoid bone laterally and the croissant shaped lunate. See more ideas about anatomy hand veins and hand anatomy. This complex structure connects the entire hand to the radius and ulna facilitates the passage of tendons together with the above mentioned neurovascular structures from the forearm to the hand and permits us to exploit all its movements.

From the palmar aspect of the hand most blood flows to the dorsum of the hand especially through the intercapitular veins that lie between the heads of the metacarpal bones aka knuckles and around the margins of these heads. The hand vein biometric represents the uniqueness in the anatomy of hand veins while the palmprint represents epiderm on the palm. Metacarpal veins lie flat between the joints and metacarpal bones of the dorsal aspect of the hand.

The anatomy of the hand is incomplete without understanding the wrist. They communicate at intervals via the dorsal venous arches. Proximal to the hand there are 8 carpal bones.

It doesnt innervate any intrinsic hand muscles. Blood from the digits and palm therefore drains primarily into the dorsal venous network on the back of the hand. The dorsal digital veins of the hand pass on either side of the digits.

Instead it innervates the skin and fascia of the lateral portion of the back of the hand and lateral three and half digits.

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