2201W07eyepost - Special Senses I: The Eye 70% of sensory...

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Special Senses I: The Eye
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 70% of sensory receptors are in the eyes  40% of the cerebral cortex is involved in processing visual  information
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lacrimal caruncle pupil iris Palpebral  fissure eyebrow eyelid eyelid sclera
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CN 7, facial nerve
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LPS Superior  tarsal m. CN 3 Oculomotor n. sympathetic
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Superior Tarsal Muscle At Work
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bulbar palpebral
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levator palpebrae  superioris modified sebaceous  gland…secretes  oil. ..~25 in the upper  eyelid, less in the  lower eyelid
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lacrimal canaliculus lacrimal punctum inferior meatus lacrimal canaliculus
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Fibrous  tunic Vascular  tunic Sensory  tunic Choroid capillaries: limbus Sclera  – tough, fibrous, white Cornea  – transparent, sheets of collagen, lots  of nerve endings Limbus  – jcn. b/w cornea and sclera, stem  cells Choroid  – vascular pigmented membrane Ciliary Body  – thickened ring of smooth 
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This note was uploaded on 10/20/2008 for the course PTH AS 2201 taught by Professor Ward during the Fall '08 term at Missouri (Mizzou).

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2201W07eyepost - Special Senses I: The Eye 70% of sensory...

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