Anastomotic connections between the eleventh nerve and the posterior root of the first cervical nerve in humans.
D000055:Accessory Nerve / Q000033:anatomy & histology*; D001344:Autopsy; D002572:Cervical Plexus / Q000033:anatomy & histology*; D004210:Dissection; D005727:Ganglia, Spinal / Q000033:anatomy & histology; D006801:Humans; D013126:Spinal Nerve Roots / Q000033:anatomy & histology*