Autonomic Innervation Of Ocular Structure

Front 1

Sympathetic innervation for ocular structures originates where?

Back 1

segments T1-T-3

Front 2

Where does the parsympathetic pathway for ocular structures originate?

Back 2

midbrain and pons

Front 3

of the two neurons which one is located in the brain or spinal cord? where is the second neuron?

Back 3

preganglionic neuron located in brain or spinal cord, postganglionic neuron is outside the CNS

Front 4

What 5 ocular strucutes are supplied by the sympathetic system?

Back 4

iris dilator, ciliary muscle, smooth muscle of the lids, lacrimal gland, choridal and conjuctival blood vessels

Front 5

what four ocular structures are supplied by teh parasympathetic system?

Back 5

irish sphincter, ciliary muscle, lacrimal gland, blood vessels

Front 6

sympathetic fibers are controlled by what structure of the brain?

Back 6

hypothalamus

Front 7

Where do teh preganglionic fibers of the sympathetic pathway synapse?

Back 7

superior cervical ganglion

Front 8

the ______ fibers leave the superior cervical ganglion and for the carotid plexus around the internal carotid artery.

Back 8

postganglionic fibers

Front 9

once in the orbit the sympathetic fibers follow the _____ nerve and then travel with the _____ _____ nerves to innervate the irish dilator and ciliary muscle

Back 9

nasociliary nerve, long ciliary nerve

Front 10

sympathetic fibers that follow the nasociliary nerve and then branch to the ciliary ganglion as teh ______ ______.. they enter the globe as teh ____ ____ nerves

Back 10

sympathetic root, short ciliary nerves

Front 11

what effect does sympathetic stimulation have on teh iris dilator, ciliary muscle, palpebral fissure and conjuctival blood vessels?

Back 11

causes pupillary dilation, inhibitory effect on ciliary muscle, widening of the palpebral fissure (stimulation of the smooth muscl eof the eyelids), vasoconstriction of conjuctival blood vessels

Front 12

name of the nucleus where the parasympathetic preganglion neuron is located within the midbrain?

Back 12

Edinger-Westphal nucleus

Front 13

the parasympathetic preganglionic fibers leave the nucleus with what nerve?

Back 13

oculomotor nerve

Front 14

small structure located between teh lateral rectus muscle and optic nerve

Back 14

ciliary ganglion

Front 15

what are the three roots of the ciliary ganglion?

Back 15

parsympaathetic root, snesory root, sympathetic root

Front 16

Fibers controlling parasympathetic innervation originate in the pons in an area of cranial nerve VII designated as teh _____ ______.

Back 16

lacrimal nucleus

Front 17

preganglionic fibers exit wthe pons with the motor fibers of what nerve?

Back 17

facial nerve

Front 18

parasympathetic fibers leave the geniculate ganglion as teh _____ ______ nerve

Back 18

greater petrosal nerve

Front 19

where do parasympathetic fibers synapse?

Back 19

pterygopalatine ganglino