Hand Anatomy Dorsal

Dorsal vs ventral dorsal is the backside while ventral is the opposite of backside. You can click the image to magnify if you cannot see clearly.

Muscles Of The Arm And The Hand Anatomical Plates

In invertebrates the nerve cord runs through the ventral side.

Hand anatomy dorsal. On the other hand the vertebrates have a ventral alimentary canal but a dorsal nerve cord. The back of the hand is called the dorsal side. Each interossei originates from the lateral and medial surfaces of the metacarpals.

Most of what we can feel on the dorsal side of the hand is bone and most of what we can see are tendons along with a few superficial veins like the dorsal foot the dorsal hand has seven visible tendons although we dont always see them all at the same time and only one clearly visible muscle. The back of the hand shows the dorsal venous network a web of veins. The radial artery enters the hand by passing between the two heads of the first dorsal interosseous.

Hand dorsal view the human hand the most distal part of the upper limb is a remarkable feat of engineering and evolution. The opisthenar area dorsal is the corresponding area on the posterior part of the hand. For improved clarity the directional term palmar from latin palma meaning palm of the hand is usually used to describe the front of the hand and dorsal is the back of the hand.

It is the area that sustains most pressure when using the palm of the hand for support such as in handstand. They insert onto the proximal phalanx and extensor hood of each finger. The heel of the hand is the area anteriorly to the bases of the metacarpal bones located in the proximal part of the palm.

When a particular organ a is ventral to another b the organ b lies dorsal to the organ a. There are four dorsal interossei muscles. The connection point between the arm and the hand the wrist enables hand movements.

It is strong enough to allow climbers to tackle any mountain but also sufficiently precise for the manipulation of some of the worlds smallest objects and the performance of complex actions. This image added by admin. There are 4 dorsal and 3 palmar interossei muscles.

For example the top of a dogs paw is its dorsal. Dorsal interossei the most superficial of all dorsal muscles these can be palpated on the dorsum of the hand. The front or palm side of the hand is referred to as the palmar side.

Palmar interossei adduct the fingers and dorsal interossei abduct the fingers hence paddab. We think this is the most useful anatomy picture that you need.

Wrist Hand Atlas Of Anatomy