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The oculomotor nerve, also known as the third cranial nerve, cranial nerve III, or simply CN III, is a cranial nerve that enters the orbit through the superior orbital fissure and innervates extraocular muscles that enable most movements of the eye and that raise the eyelid.
Most typically, humans are considered to have twelve pairs of cranial nerves (I–XII), with the terminal nerve (0) more recently canonized. [2] [5] The nerves are: the olfactory nerve (I), the optic nerve (II), oculomotor nerve (III), trochlear nerve (IV), trigeminal nerve (V), abducens nerve (VI), facial nerve (VII), vestibulocochlear nerve (VIII), glossopharyngeal nerve (IX), vagus nerve (X ...
Oculomotor nerve palsy or oculomotor neuropathy [1] is an eye condition resulting from damage to the third cranial nerve or a branch thereof. As the name suggests, the oculomotor nerve supplies the majority of the muscles controlling eye movements (four of the six extraocular muscles, excluding only the lateral rectus and superior oblique).
Atlas image: n2a4p4 at the University of Michigan Health System - "Brainstem, Cranial Nerve Nuclei, Sagittal Section, Medial View" Stained brain slice images which include the "Oculomotor nucleus" at the BrainMaps project; Steiger, H.-J.; Büttner-Ennever, J.A. (1979). "Oculomotor nucleus afferents in the monkey demonstrated with horseradish ...
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 fourth ventricle Pons. Located in the superior orbital fissure. Innervates the lateral rectus, which abducts the eye. VII Facial
The man charged with the murder of UnitedHealthcare CEO Brian Thompson reportedly suffered from debilitating back pain. The owner of Luigi Mangione's former apartment in Honolulu, Hawaii, told the ...
Here's a quick primer on multiple sclerosis. MS is an autoimmune disease that attacks myelin—the fatty insulation that surrounds the nerves in the spinal cord and brain. In severe cases, MS can ...
The Edinger–Westphal nucleus also called the accessory or visceral oculomotor nerve, is one of the two nuclei of the oculomotor nerve (CN III) located in the midbrain. [1] [2] [3] It receives afferents from both pretectal nuclei (which have in turn received afferents from the optic tract). [4]