Assertion: accessory nerve's nucleus | /r/HasAspect | pars oralis
Facets:
Source sentences:
text: This nucleus is divided into a pars oralis (which extends from the midpons to the inferior olive), a pars interpolaris (which extends from the rostral third of the inferior olive to the obex of the fourth ventricle), and a pars caudalis (which extends to and is continuous with the dorsal horn gray matter of the cervical spinal cord).