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13 Νοε 2023 · Venous drainage of the hand occurs mainly via the dorsal venous network, located across the dorsal metacarpal region, and drains into the cephalic (lateral aspect) and basilic veins (medial aspect). An accessory cephalic vein may drain the middle part of the dorsal network.
- Carpal Bones
The carpal bones (i.e. carpus) are eight irregularly-shaped...
- Carpal Bones
12 Ιουν 2023 · Hand and wrist anatomy. The parts that make up your hand and wrist are layered upon each other to form a three-dimensional shape that gives them the ability to move and function. Your hand and wrist are made of: Bones. Muscles. Nerves. Tendons. Ligaments. Blood vessels (arteries and veins). Lymphatic vessels.
23 Μαΐ 2021 · insertion: lateral border of conjointed lateral bands. pathology. attenuation leads to dorsal translation of lateral bands and a resulting swan neck deformity. contracture (with attenuation of triangular ligament) leads to volar translation of lateral bands and resulting boutonniere deformity.
3 Νοε 2023 · Dorsal interossei are bipennate (feather-like) muscles found in the dorsal compartment of the hand. The prefix bi- means that they arise by two heads which converge to attach onto a central tendon, which gives them a shape of a feather. The dorsal interossei consist of four muscles numbered 1–4 from the lateral to the medial side.
Dorsal aspect. On the dorsal aspect of the wrist six osteofibrous tunnels can be distinguished (Fig. 9, see Standring, Fig. 50.14), which contain the tendon sheaths of the extensors of the wrist and fingers (Table 1) and the abductor of the thumb.
Important Structures. The important structures of the hand can be divided into several categories. These include. bones and joints. ligaments and tendons. muscles. nerves. blood vessels. 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. Bones and Joints.
In the middle of the forearm, the ulnar nerve gives off a dorsal branch, which descends between the ulna and the flexor carpi ulnaris and reaches the medial side of the hand. It supplies dorsal digital nerves to usually two and a half or one and a half fingers.
