A cranial nerve is one of the twelve pairs of nerves that originate from the brain and primarily innervate the head and neck regions. These nerves play crucial roles in controlling various functions such as vision, hearing, taste, smell, facial movements, and sensation in the face and head. Each cranial nerve has a specific function and distribution, making them essential for the proper functioning of the sensory and motor systems in the head.

“cranial nerve”的英语定义和含义

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