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Diagram if the spinal origin of the spinal accessory nerve.

Spinal Accessory Nerve

Diagram if the spinal origin of the spinal accessory nerve.

Scheme of the origin, connection, and distribution of the spinal accessory nerve. Labels: Sp.Acc, spinal accessory nerve; C.1-4, first four cervical nerves (dorsal roots); Va, pneumogastric nerve; R, ganglion of the root; t, ganglion of the trunk; G.Ph, glossopharyngeal nerve; S.M, nerves to sternocleidomastoid; Tr, nerves to trapezius; F.M, foramen magnum; J.F, jugular foramen.

Spinal Accessory Nerve

Scheme of the origin, connection, and distribution of the spinal accessory nerve. Labels: Sp.Acc, spinal…

Section through the upper part of the cervical region of the cord of an orangoutang. Showing the origin of the spinal part of the spinal accessory nerve.

Spinal Cord

Section through the upper part of the cervical region of the cord of an orangoutang. Showing the origin…