SACRAL NERVES
\sˈakɹə͡l nˈɜːvz], \sˈakɹəl nˈɜːvz], \s_ˈa_k_ɹ_əl n_ˈɜː_v_z]\
Definitions of SACRAL NERVES
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are generally six in number. They arise from the termination of the spinal marrow. The first, united with the great cord which descends from the lumbar plexus, concurs with the three others in the formation of the sacral or sciatic plexus. The third and fourth, with branches of the great sympathetic, from the hypogastric plexus. The fifth and sixth (coccygeal nerve) are distributed to the ischio-coceygeus muscle, and to the sphincter and levator ani.
By Robley Dunglison
