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V 1 (ophthalmic nerve) is located in the superior orbital fissure V 2 (maxillary nerve) is located in the foramen rotundum. V 3 (mandibular nerve) is located in the foramen ovale. Receives sensation from the face, mouth and nasal cavity, and innervates the muscles of mastication. VI Abducens: Mainly motor Nuclei lying under the floor of the ...
Cranial nerves are the nerves that emerge directly from the brain (including the brainstem), of which there are conventionally considered twelve pairs. Cranial nerves relay information between the brain and parts of the body, primarily to and from regions of the head and neck, including the special senses of vision, taste, smell, and hearing. [1]
The olfactory nerve, also known as the first cranial nerve, cranial nerve I, or simply CN I, is a cranial nerve that contains sensory nerve fibers relating to the sense of smell. The afferent nerve fibers of the olfactory receptor neurons transmit nerve impulses about odors to the central nervous system ( olfaction ).
A mixed nerve is any nerve that contains both sensory and motor nerve fibers. [ 1 ] [ 2 ] All 31 pairs of spinal nerves are mixed nerves. [ 3 ] Four of the twelve cranial nerves – V , VII , IX and X are mixed nerves.
Cranial nerves bring information to the CNS to and from the face, as well as to certain muscles (such as the trapezius muscle, which is innervated by accessory nerves [8] as well as certain cervical spinal nerves). [8] Two pairs of cranial nerves; the olfactory nerves and the optic nerves [4] are often considered structures of the CNS. This is ...
Composition and central connections of the spinal nerves; Pathways from the brain to the spinal cord; The meninges of the brain and medulla spinalis; The cerebrospinal fluid; The cranial nerves. The olfactory nerves; The optic nerve; The oculomotor nerve; The trochlear nerve; The trigeminal nerve; The abducens nerve; The facial nerve; The ...
Ten of the twelve pairs of cranial nerves [a] emerge directly from the brainstem. [38] The brainstem also contains many cranial nerve nuclei and nuclei of peripheral nerves, as well as nuclei involved in the regulation of many essential processes including breathing, control of eye movements and balance.
Cranial nerve nuclei (27 P) O. Oculomotor nerve (8 P) Optic nerve (1 C, 7 P) T. Trigeminal nerve (4 C, 19 P) V. Vagus nerve (36 P) Vestibulocochlear nerve (8 P)