Nature and Uses of Primary Data Sources Page 1 of 14 ______________________________________________________________________.
cranial nerve - any of the 12 paired nerves that originate in the brain stem. 1  nerve, nervus - any bundle of nerve fibers running to various organs and tissues of the body. 2  first cranial nerve, nervii olfactorii, olfactory nerve - a collective term for numerous olfactory filaments in the nasal mucosa.
Cranial and caudal have the same meaning as superior and inferior, respectively, but are used in reference to animal, rather than human, anatomy. Anterior and Posterior. Anterior refers to the side of the body facing up in the standard anatomical position. Posterior refers to the bottom side.