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Keywords: alternative anatomy, a radial nerve, anomaly, variant of branching, variant of a constitution, a superficial branch of a radial nerve, n. radialis

the Author: Rudskoj S.S.

INFREQUENT VARIANT OF BRANCHING OF THE SUPERFICIAL BRANCH OF THE RADIAL NERVE

Now the big attention is given alternative anthropotomy and animals. During last years on faculty of anthropotomy VSMA of a name of N.N.Burdenko is carried out studying alternative anatomy of cardiovascular and nervous systems.

At educational preparing a corpse of the woman by us the infrequent variant of branching of a superficial branch of a dextral radial nerve is found.

Usually superficial branch of a radial nerve, passing between a tendon of a humeroradial muscle and a radial bone, perforates a superficial fascia of a forearm a little bit above a radiocarpal joint. Further it passes to a back of the hand and shares on 5 back digital nerves. Back digital nerves innervate a skin of radial and ulnar edges of dorsum I of a dactyl, a skin of radial and ulnar edges of a dorsum of II dactyl up to an average phalanx and a skin of radial edge of a dorsum of III dactyl also up to an average phalanx. The skin on back of average and distal phalanxes II-III of dactyls is innervated with own palmar digital nerves from a median nerve.

In this case the superficial branch of a radial nerve, having a usual course on a forearm, branched on a back of the hand on 6 back digital nerves innervating the following fields of a skin: a skin of radial and ulnar edges of dorsum I-IV of dactyls and a skin of radial edge V of a dactyl; II-IV dactyls were innervated up to an average phalanx. The skin on back of average and distal phalanxes of radial and ulnar sides II-III of dactyls, and also the radial side of IV dactyl was innervated with own palmar digital nerves from a median nerve. In a skin on back of average and distal phalanxes of the sides inverted to each other IV and V dactyls trailer branches of own palmar nerves from a palmar branch of a ulnar nerve branched. The skin of ulnar edge V of a dactyl on all an extent was innervated by a back digital nerve from dorsalnoj branches of a ulnar nerve.

In the accessible literature the described variant of branching of a radial nerve is not found by us. An opportunity of existence of the submitted variant in which appreciable dilating region a peripheric innervation of dactyls of a brush is observed by a superficial branch of a radial nerve, it is necessary to take into account in surgical practice and at neurologic inspection of patients in cases with damage of a radial nerve.

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Keywords: alternative anatomy, a radial nerve, anomaly, variant of branching, variant of a constitution, a superficial branch of a radial nerve, n. radialis

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