kranialnerv
Kranialnerv, or cranial nerves, are twelve pairs of nerves that originate directly from the brain and brainstem. They are part of the peripheral nervous system and pass through specific skull openings to reach the head and neck. Each nerve carries sensory, motor, or parasympathetic fibers, and they contribute to sensation, movement, and autonomic control in the head and neck region.
The twelve nerves are named and numbered I through XII as follows: I – olfactory (sensory, smell;