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Note on the Spinal Accessory Nerve of Long‐necked Ungulates.
Author(s) -
Howell A. Brazier,
Straus William L.
Publication year - 1934
Publication title -
proceedings of the zoological society of london
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.915
H-Index - 96
eISSN - 1469-7998
pISSN - 0370-2774
DOI - 10.1111/j.1469-7998.1934.tb06217.x
Subject(s) - accessory nerve , anatomy , spinal nerve , neuroscience , biology , spinal cord
Summary. In a llama the spinal portion of the accessory nerve was grossly absent. The sterno‐cephalic muscle was innervated by the second cervical nerve and, presumably, also by a branch from the bulbar portion of the accessory nerve. Consideration of the literature indicates that the gross morphology of the accessory nerve and its relation to the sterno‐cephalic and brachio‐cephalic muscles are extremely variable features in the longest‐necked ungulates (giraffe, camel, llama). B ibliography .