What skin areas does the ulnar nerve innervate? Briefly describe the physiological basis of the tingling sensation in your hand in response to hitting the elbow.
What skin areas does the ulnar nerve innervate? Briefly describe the physiological basis of the tingling sensation in your hand in response to hitting the elbow.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1. What skin areas does the ulnar nerve innervate? Briefly describe the physiological
basis of the tingling sensation in your hand in response to hitting the elbow.
Expert Solution
INTRODUCTION::
Brachial plexus is the network of nerves that branches into motor and sensory nerves of the upper extremity. Brachial plexus arise from the anterior rami of spinal nerves C5 to T1, which divides into trunks, divisions, terminal branches. These terminal branches innervates the upper extremity as both motor and sensory nerves. These includes musculocutaneous nerve, axillary nerve, radial nerve, median nerve and ulnar nerves. Ulnar is the terminal branch of medial cord of brachial plexus.
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