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.
The skull is a bony structure in the head of most vertebrates (in particular, craniates) that supports the structures of the face and forms a protective cavity for the brain.The skull is composed of two parts: the cranium and the mandible.he English word skull is probably derived from Old Norse  skalli  meaning bald, while the Latin word cranium comes from the Greek root ÎºÏÎ±Î½Î¯Î¿Î½ (kranion). The skull is made of a number of fused flat bones.