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Learn about the 12 cranial nerves that emerge from the brain and innervate the head, neck and thorax. Find out their types, functions, clinical relevance and mnemonics to remember them. Type: motor nerve Origin: caudal midbrain Distribution: innervates special oblique muscles of eye Function: eye movements (down and out) Cranial nerve V ( Trigeminal nerve): This nerve consists of three major branches and is the largest cranial nerve. It is a mixed nerve, sensory nerve of the face, oral and nasal regions, and motor nerve of the chewing muscles. The ophthalmic nerve (V1): Sensory nerve Originates and supplies to the general area of forehead and eyes It conveys general senses ... The cranial nerves (Latin: nervi craniales) are peripheral nerves emerging from the brain. There are 12 pairs of cranial nerves, and most of them arise from the brainstem. Along with their sensory and parasympathetic ganglia (collections of neuron cell bodies) the cranial nerves represent the cranial part of the peripheral nervous system (PNS). Learn about the 12 cranial nerves that connect your brain and head, face, neck and torso. Find out how they help you see, hear, smell, taste, move and more, and what conditions can affect them.
