Anatomy and evolution of accessory nerve: cranial or spinal origins?: a review
Braz. j. morphol. sci
;
28(4): 222-227, Oct-Dez. 2011.
Article
in English
| LILACS
| ID: lil-644150
ABSTRACT
The accessory nerve is traditionally described as having both spinal and cranial roots, with the spinal root originating from the upper cervical segments of the spinal cord and the cranial root originating from the dorsolateral surface of the medulla oblongata. The spinal and cranial rootlets converge before entering the jugular foramen or within it. This conventional view has been challenged by finding no cranial contribution to the accessory nerve. Clinical, anatomical, functional and evolutionary implications are discussed in the present study.
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Index:
LILACS (Americas)
Main subject:
Skull
/
Accessory Nerve
Language:
English
Journal:
Braz. j. morphol. sci
Journal subject:
Anatomy
Year:
2011
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
University of Santa Cruz do Sul/BR
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