- cranium), as opposed to the spinal nerves which emerge from the vertebral column. Cranial nerves come directly from the brain through the skull. There are 12 cranial nerves each of which is accorded a Roman numeral and a name: Cranial nerve I: The olfactory nerve, Cranial nerve II: the optic nerve, Cranial nerve III: the oculomotor nerve, Cranial nerve IV: the trochlear nerve, Cranial nerve V: the trigeminal nerve, Cranial nerve VI: the abducent nerve, Cranial nerve VII: the facial nerve, Cranial nerve VIII: the vestibulocochlear nerve, Cranial nerve IX: the glossopharyngeal nerve, Cranial nerve X: the vagus nerve, Cranial nerve XI: the accessory nerve, and Cranial nerve XII: the hypoglossal nerve. The cranial nerves are nerves of the brain.
Medical dictionary. 2011.
Look at other dictionaries:
Cranial nerves — are nerves that emerge directly from the brain stem in contrast to spinal nerves which emerge from segments of the spinal cord. Although thirteen cranial nerves in humans fit this description, twelve are conventionally recognized. The nerves from … Wikipedia
Cranial nerve — Nerve: Cranial nerves Inferior view of the brain and brain stem showing cranial nerves. An unlabelled version is here Latin nervus cranialis (plural: nervi cranial … Wikipedia
Cranial nerve examination — The cranial nerve exam is part of the neurological examination. It is used to identify problems with the cranial nerves by physical examination. Contents 1 Components 2 See also 3 References 4 … Wikipedia
Cranial nerves — Nerves that emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from the vertebral column. Cranial nerves come directly from the brain through the skull. There are 12 cranial nerves each of which is accorded … Medical dictionary
Cranial nerve disease — Classification and external resources Cranial nerves ICD 10 G … Wikipedia
Cranial nerve zero — Latin nervus terminalis Code TA A14.2.01.002 The terminal nerve, or cranial nerve zero, was discovered by German scientist Gustav Fritsch in 1878 in the brains of sharks. It was first found in humans in 1913 … Wikipedia
Cranial neural crest — Latin crista neuralis cranialis Code TE E188.8.131.52.2.0.1 The cranial neural crest is a form of neural crest. The cranial neural crest arises in the anterior and populates the face and the pharyngeal arches giving rise to bones, cartilage, n … Wikipedia
cranial nerve — n. a peripheral nerve coming from the brainstem: many animals, including humans, have twelve pairs of such nerves, including the olfactory, optic, trigeminal, facial, and auditory nerves … English World dictionary
cranial nerve — n any of the 12 paired nerves that arise from the lower surface of the brain with one of each pair on each side and pass through openings in the skull to the periphery of the body see ABDUCENS NERVE, ACCESSORY NERVE, AUDITORY NERVE … Medical dictionary
Cranial root of accessory nerves — Nerve: Cranial root of accessory nerves Brain stem sagittal section (11 visible near bottom center. Note how in this diagram, root derives entirely from spinal portion, and ascends to cranium.) … Wikipedia