The key structures supplied by the following nerves a. Phrenic nerve b. Ulnar nerve c. Musculocutaneous nerve d. Median nerve Introduction: Spinal nerves are mixed, meaning they carry both motor as well as the sensory impulses. The anterior rami of the sacral, cervical, and lumbar spinal nerves create complex structures of nerves known as plexus. The cervical plexus contains spinal nerves from C1 to C4 and part of hypoglossal nerves. The brachial plexus is formed by spinal nerves from C5 to T1. These plexuses give rise to different cords that provide sensory and motor innervates to different regions.

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Chapter 13.3, Problem 3QC

Summary Introduction

To review:

The key structures supplied by the following nerves

a. Phrenic nerve

b. Ulnar nerve

c. Musculocutaneous nerve

d. Median nerve

Introduction:

Spinal nerves are mixed, meaning they carry both motor as well as the sensory impulses. The anterior rami of the sacral, cervical, and lumbar spinal nerves create complex structures of nerves known as plexus. The cervical plexus contains spinal nerves from C1 to C4 and part of hypoglossal nerves. The brachial plexus is formed by spinal nerves from C5 to T1. These plexuses give rise to different cords that provide sensory and motor innervates to different regions.

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