Hand Veins Anatomy

See more ideas about anatomy hand veins and hand anatomy. Veins that are structured in this way are known as vena comitantes.

Veins Of The Upper Limb Anatomy Kenhub

The pulsations of the brachial artery assist the venous return.

Hand veins anatomy. The ulna articulates with the pyramid shaped triquetrum via a pad of triangular fibrocartilage. Bulging hand veins are normal for many people. The veins are very similar to the arteries so if you understand the latter then the drainage pattern of the hand will be a piece of cake.

The hand is drained by superficial and deep veins. Sometimes prominent hand veins can indicate a more serious. The hand possesses a rich blood supply with an extensive lymphatic system and vein network.

Blood from the digits and palm therefore drains primarily into the dorsal venous network on the back of the hand. Watch the video mentioned above to learn all about the hand veins. The median nerve enters the hand through the carpal tunnel which is a passageway between the tubercles of the scaphoid and trapezium bones laterally and by the pisiform and the hook of the hamate on the medial side.

The brachial veins are the largest in size and are situated either side of the brachial artery. There are two prominent superficial veins of the upper limb. Aug 5 2016 explore sergmel9s board veins anatomy followed by 229 people on pinterest.

The hand geometry biometric largely repre sents the anatomy of hand bones and muscles. Superficial palmar venous arch. They are the cephalic and basilic veins and these two extensive veins originate from the venous networks of the dorsum of the hand.

The nerves allow you to feel what your hands and fingers are touching and help you move those muscles around. The radius articulates with the cashew shaped scaphoid bone laterally and the croissant shaped lunate. Perforating veins run between the deep and superficial veins of the upper limb connecting the two systems.

The hand vein biometric represents the uniqueness in the anatomy of hand veins while the palmprint represents epiderm on the palm. Proximal to the hand there are 8 carpal bones. 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 dorsal digital veins of the hand pass on either side of the digits. Low body fat genetics and even hot weather can make hand veins more noticeable. The anatomy of hand is the key for individuality of hand based biometrics.

They communicate at intervals via. Bones of the hand. Essentially the veins of the hand drain into either the radial or ulnar veins and consist of the following.

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