What is oculomotor nerve?

Oculomotor Nerve

The oculomotor nerve is the 3rd of 12 paired cranial nerves. It enters the orbit via the superior orbital fissure and controls most of the eye's movements, including constriction of the pupil and maintaining an open eyelid by innervating the levator palpebrae superioris muscle. The oculomotor nerve is derived from the basal plate of the embryonic midbrain. Cranial nerves IV and VI also participate in control of eye movement.

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Some articles on oculomotor nerve:

Oculomotor Nerve Palsy
... Oculomotor nerve palsy 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 ... Thus, damage to this nerve will result in the affected individual being unable to move his or her eye normally ...
Oculomotor Nerve - Additional Images
... Oculomotor nerve Dura mater and its processes exposed by removing part of the right half of the skull, and the brain Tentorium cerebelli from above Coronal ... Side view Alveolar branches of superior maxillary nerve and sphenopalatine ganglion Figure showing the mode of innervation of the Recti medialis and lateralis ...
Parasympathetic Root Of Ciliary Ganglion - Presynaptic
... nucleus, the parasympathetic motor nucleus associated with the oculomotor nucleus in the brainstem ... from the Edinger-Westphal nucleus and the oculomotor nucleus run together in the brainstem and exit together as the oculomotor nerve (cranial nerve III) ... The oculomotor nerve passes through the lateral wall of the cavernous sinus and enters the orbit through the superior orbital fissure ...
List Of Muscles Of The Human Body/version 2 - Muscles of Head and Neck: The Head - Extraocular Muscles
... Muscle Origin Insertion Artery Nerve Action Antagonist levator palpebrae superioris sphenoid bone tarsal plate, upper eyelid ophthalmic artery oculomotor nerve retracts//el ... lateral rectus, by a short flat tendon oculomotor nerve extorsion, elevation, abduction ...
Pupillary Light Reflex - Clinical Significance
... a problem with the motor connection to the left pupil (perhaps as a result of damage to the oculomotor nerve or Edinger-Westphal nucleus of the brainstem) ... eye (perhaps to the right retina or optic nerve) ... Lack of the pupillary reflex or an abnormal pupillary reflex can be caused by optic nerve damage, oculomotor nerve damage, brain stem death and depressant drugs, such as barbiturates ...

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