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19 Cards in this Set
- Front
- Back
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which muscle comprises pupillary ruff
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sphincter
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what is formed from first migration of neural crest cells
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endothelium of cornea and future trabecular meshwork
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what is formed form 2nd migration of neural crest cells
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Thin line that forms iris
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What is formed from the 3rd migration
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corneal stroma
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what three factors make up the near response triat
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vergence, accomidation, pupillary constriction
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____ is the name for the rhythmic ossication of dialoator and sphincter muscle when contracted
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hippus
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T or false relative convergence (AC/A) vs accommodative response is linear over most of range
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true
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The collarette devides the iris into which two segments
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the pupillary and ciliary
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what anastomes is defined by colarette
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minor arteriole circle
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Is the dilator or the sphincter muscle radial
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dilator
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does the parasympathetic or smypathetic stimulate the sphincter
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parasympathetic
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Are the posterior cells of iris columnar or cuboidal
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columnar
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where do the veins from the iris drain to
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the vortex vein
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Is the dilator or the sphincter innervated by sympathetic nervous system
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dialator
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What is the neurotransmitter for sympathetic nervous system
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norepinephrine
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Swinging flashlight test will detect deficits in the ___ pupillary pathway
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afferent
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____ syndrome in which pupil is dilated and pupillary light reflex reduced or absent
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Adie's syndrome
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_____ condition where pupil reflex to consensual and direct light stimulation is reduced or absent but constriction for accomidation is still peresent
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Argyll Robertson
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___- condition characterized by combo of ptosis, miosis, anhidrosis (lack of facial sweating)
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Horner's syndrome
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