Definition of Cranial nerve I

Reviewed on 3/29/2021

Cranial nerve I: The first nerve to emerge from or enter the skull (the cranium). (There are twelve cranial nerves.) The first cranial nerve is the olfactory nerve which permits the sense of smell. See: Olfactory nerve.

SLIDESHOW

Brain Food Pictures: What to Eat to Boost Focus See Slideshow

Health Solutions From Our Sponsors