CN III (Oculomotor) (para) Flashcards
Preganglionic cell bodies are located in what nucleus?
accessory oculomotor nucleus
where is the oculomotor nucleus found
found in the midbrain (peri-aqueductal gray)
the oculomotor follows the path of what?
of oculomotor into the orbit
after following its path into the orbit where does it synapse
in the ciliary ganglion
postganglionic axons carried in what nerves enter the eyeball and supply two muscles
short ciliary nerves
upon entering the eyeball what two muscles does the oculomotor nerve innervate?
ciliary muscle and the sphincter pupillae
The ciliary muscle will constrict causing the crystalline lens to become more convex focusing on objects where?
focus on closer objects
when the Sphincter pupillae muscle constricts what happens to the pupil?
pupil will decreases in size
sphincter pupillae will constrict to what stimulation
to light entering the pupil