Definition: a spindle-shaped swelling of the spinal cord extending from the third cervical to the second thoracic vertebra, with maximum thickness opposite the fifth or sixth cervical vertebra, consequential to the innervation of the upper limb.
Synonym(s): intumescentia cervicalisTA, cervical enlargement of spinal cord
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.