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12 Important Nerves

Cranial nerves are normally named in keeping with their shape or feature. for example, the olfactory nerve (I) components scent, and the facial nerve (VII) substances motor innervation to the face. because Latin turned into the lingua franca (commonplace language) of the study of anatomy while the nerves were first documented, recorded, and mentioned, many nerves keep Latin or Greek names, consisting of the trochlear nerve (IV), named according to its structure, because it supplies a muscle that attaches to a pulley (Greek: trochlea). The trigeminal nerve (V) is called in accordance with its three additives (Latin: trigeminus which means triplets), and the vagus nerve (X) is called for its wandering path (Latin: vagus). Cranial nerves are numbered based totally on their rostral-caudal (the front-again) position, while viewing the brain. If the mind is carefully eliminated from the skull the nerves are generally seen in their numeric order, except for the last, CN XII, which appears...
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Cranial Nerves Having Count of 12, Their Function and Nuclei

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Cranial nerves are the nerves that emerge directly from the brain (including the brainstem), in contrast to spinal nerves (which emerge from segments of the spinal cord). 10 of 12 of the cranial nerves originate in the brainstem. Cranial nerves relay information between the brain and parts of the body, primarily to and from regions of the head and neck. Spinal nerves emerge sequentially from the spinal cord with the spinal nerve closest to the head (C1) emerging in the space above the first cervical vertebra. The cranial nerves, however, emerge from the central nervous system above this level. Each cranial nerve that seem to be dirty is paired and is present on both sides. Depending on definition in humans there are twelve or thirteen cranial nerves pairs, which are assigned Roman numerals I–XII, sometimes also including cranial nerve zero. The numbering of the cranial nerves is based on the order in which they emerge from the brain, front to back (brainstem). The terminal nerv...
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