Oculomotor nerve

Oculomotor nerve
Oculomotor nerve
	Nerves of the orbit. Seen from above.
	Inferior view of the human brain, with the cranial nerves labelled.
Details
From	Oculomotor nucleus, Edinger-Westphal nucleus
To	Superior branch, inferior branch
Innervates	Superior rectus, inferior rectus, medial rectus, inferior oblique, levator palpebrae superioris, sphincter pupillae (parasympathetics), ciliaris muscle (parasympathetics)
Identifiers
Latin	nervus oculomotorius
MeSH	D009802
NeuroNames	488
TA98	A14.2.01.007
TA2	6187
FMA	50864
	Anatomical terms of neuroanatomy

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. The nerve also contains fibers that innervate the intrinsic eye muscles that enable pupillary constriction and accommodation (ability to focus on near objects as in reading). 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.^[1]

^ Vilensky, Joel; Robertson, Wendy; Suarez-Quian, Carlos (2015). The Clinical Anatomy of the Cranial Nerves: The Nerves of "On Olympus Towering Top". Ames, Iowa: Wiley-Blackwell. ISBN 978-1-118-49201-7.^{[page needed]}

[Vilensky-1] Vilensky, Joel; Robertson, Wendy; Suarez-Quian, Carlos (2015). The Clinical Anatomy of the Cranial Nerves: The Nerves of "On Olympus Towering Top". Ames, Iowa: Wiley-Blackwell. ISBN 978-1-118-49201-7.^{[page needed]}

[1]

Cranial nerves
CN 0 – Terminal CN I – Olfactory CN II – Optic CN III – Oculomotor CN IV – Trochlear CN V – Trigeminal CN VI – Abducens CN VII – Facial CN VIII – Vestibulocochlear CN IX – Glossopharyngeal CN X – Vagus CN XI – Accessory CN XII – Hypoglossal
Overview Table
v t e