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Distribution of the areas of the sensory roots upon the surface of the body. Structure of the nervous system; Development of the nervous system; The spinal cord or medulla spinalis; The brain or encephalon The hindbrain or rhombencephalon; The midbrain or mesencephalon; The forebrain or prosencephalon; Composition and central connections of the ...
Medial cutaneous nerve of arm; Medial cutaneous nerve of forearm; Medial pectoral nerve; Medial root of median nerve; Median nerve; Muscular branches of the radial nerve; Muscular branches of ulnar nerve; Musculocutaneous nerve
Motor innervation of upper limb by the five terminal nerves of the brachial plexus: [13] The musculocutaneous nerve innervates all the muscles of the anterior compartment of the arm . The median nerve innervates all the muscles of the anterior compartment of the forearm except flexor carpi ulnaris and the ulnar part of the flexor digitorum ...
Cutaneous innervation of the upper limbs is the nerve supply to areas of the skin of the upper limbs (including the arm, forearm, and hand) which are supplied by specific cutaneous nerves. Modern texts are in agreement about which areas of the skin are served by which cutaneous nerves, but there are minor variations in some of the details.
Cutaneous innervation of the right upper extremity. The musculocutaneous nerve, from C5, C6, C7, is the main supplier of muscles of the anterior compartment. It originates from the lateral cord of the brachial plexus of nerves. It pierces the coracobrachialis muscle and gives off branches to the muscle, as well as to brachialis and
A signal that travels to the NMJ, which innervates muscles, is produced by the release of acetylcholine by upper motor neurons. Acetylcholine binds to nicotinic acetylcholine receptors of alpha-motor neurons. [3] The somatic nervous system controls all voluntary muscular systems within the body, and the process of voluntary reflex arcs. [10]
The anterior interosseous branch is given off in the upper part of the forearm, [4] courses with the anterior interosseous artery and innervates flexor pollicis longus and the lateral half of flexor digitorum profundus (the ulnar half is supplied by ulnar nerve, as is the flexor carpi ulnaris muscle). It ends with its innervation of pronator ...
Nerve The nerve(s) which tell the muscle to act (innervates the muscle). The term "nerve" is included for clarity. Action The movement performed by the muscle from the standard anatomical position. In other positions, other actions may be performed. Antagonist The muscle which can 'cancel' or to some degree reverse the action of the muscle.