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21 Cards in this Set
- Front
- Back
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Receptive Fields
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Area the receptor is responsive to
Small field- cant detect as much Larger- cant differentiate in its own area |
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Specificity
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Different receptor organs, specific to type of stimulus
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Conjunctiva
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Covers Sclera
Most superficial, lubrication, tears |
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Pupil
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Allows light in
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Iris
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opens/closes to change size of pupil
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Lacrimal apparatus
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lacrimal gland produces tears, drain in lacrimal sac, through nasolacrimal duct, runny nose
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Fibrous tunic
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Sclera, cornea
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Vascular tunic
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Iris, ciliary body, choroid
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Retina (tunic)
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pigmented layer, neural layer
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Lens
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recive light from pupil and bend, shape controlled by ciliary body, focus light onto Retina, made of clear connective tissue
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Lens shape for Distant vision
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ciliary muscle relaxed, lens flattened
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Lens shape for Near vision
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ciliary muscles contract, lens thickened more spherical
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Macula Lutea
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spot on Retina with the highest concentration of cones
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Fovea Centralis
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indentation, highest visual activity
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Rods
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black/white, light/dark, no detail, use at night
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Cones
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color, visual activity
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Optic Disc
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where optic nerve attaches to eye, no pigmented layer, no photoreceptors
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Ossicles
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Amp sound waves and transfer to inner ear, connected to oval window, produce pressure waves
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Membranous Labyrinth
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tissue that lines the inside of bony labyrinth, Sensations
Utricle Saccule |
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Macula
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Head Position
otholithic membrane- gel that sits on top of hair cells |
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Ampulla
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Head Acceleration
cupula |
