Neurology (3 items)
Sunday 11 July 2004 / Arun author list
Cranial nerves: functions and testing of the oculomotor nerve.
on 13 Apr 2010 by Robin author list
The oculomotor nerveOrigin :The oculomotor nerve arises from the anterior aspect of midbrain. There are two nuclei: The oculomotor nucleus originates at the level of the superior colliculus. The Edinger-Westphal nucleus supplies parasympathetic fibres to the eye Sympathetic postganglionic fibres also join the nerve from the plexus on the internal carotid artery in the wall of the cavernous sinus and are distributed [read more]
 10.0 - 3 votes
Cranial nerves : functions and testing of the optic nerve.
on 12 Apr 2010 by Robin author list
The optic nerveOrigin:The optic nerve is composed of retinal ganglion cell axons and Portort cells which then forms the optic chiasm where there is a partial decussation of fibres from the temporal visual fields of both eyes. Most of the axons of the optic nerve terminate in the lateral geniculate nucleus from where information is relayed to the visual cortex [read more]
 10.0 - 1 vote
Cranial nerves: functions and testing of the olfactory nerve.
on 10 Apr 2010 by Robin author list
The Olfactory Nerve Origin: The specialized olfactory receptor neurons of the olfactory nerve are located in the olfactory mucosa of the upper parts of the nasal cavity. Olfactory receptor neurons continue to be born throughout life. The olfactory nerve is the shortest of the twelve cranial nerves and only one of two cranial nerves (the other being the optic nerve) that do [read more]