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[[Image:brainstemcranialnervespyramids.jpg|thumb|right|150px|The brainstem, cranial nerves and pyramids. © BioMed Archive.]]

[[[[File:Brain human normal inferior view with labels en.svg|thumb|right|250px|Ventral brain showing labelled cranial nerves, WikiCommons]]

==Introduction==

==Introduction==

Cranial nerves are those nerves which arise from the brain and [[Hindbrain_-_Anatomy_%26_Physiology|brain stem]] rather than the spinal cord. Nerves arising from the spinal cord are the [[PNS Structure - Anatomy & Physiology|peripheral nerves]]. There are 12 pairs of cranial nerves and these pairs of nerves passage through [[Skull_and_Facial_Muscles_-_Anatomy_%26_Physiology|foramina in the skull]], either individually or in groups. Cranial nerves are traditionally referred to by Roman numerals and these numerals begin cranially and run caudally.

Cranial nerves are those nerves which arise from the brain and [[Hindbrain_-_Anatomy_%26_Physiology|brain stem]] rather than the spinal cord. Nerves arising from the spinal cord are the [[PNS Structure - Anatomy & Physiology|peripheral nerves]]. There are 12 pairs of cranial nerves and these pairs of nerves passage through [[Skull_and_Facial_Muscles_-_Anatomy_%26_Physiology|foramina in the skull]], either individually or in groups. Cranial nerves are traditionally referred to by Roman numerals and these numerals begin cranially and run caudally.