👉 Dorsobranchia, also known as brachial plexus or spinal cord, is a group of nerve fibers that terminate in the spinal cord and innervate the muscles and bones. These nerves are divided into three main groups: dorsal, ventral, and cranial (basal) brachial plexuses.
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Dorsal Brachial Plexus
: This is located at the base of the neck and extends from the vertebrae down