Term
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Definition
| Provide the information needed by the CNS for integration |
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Term
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Definition
| Monitor internal functions-homeostasis; spatial relations btwn muscle and skeleton |
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Term
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Definition
| monitor external environment |
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Term
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Definition
-stimulated by a variety of stimuli
-change in status created a signal that is tranderred to or directly stimulates neurons
-includes naked or encapsulated nerve endings OR specialized calls that stimulate an action potential |
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Term
| Types of stimuli and receptors |
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Definition
A.Mechanical forcces
B.Chemicals
C.Electromagnetic |
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Term
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Definition
| -pressure, gravity, inertia, soud, touch, vibration |
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Term
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Definition
| taste, smell, humidity, pH |
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Term
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Definition
Aka Electroreceptors and thermoreceptors
-light, heat, electricity, mgnetism |
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Term
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Definition
| Muscles, joints, tendons, skin ->Spinal cord -> brain |
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Term
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Definition
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Term
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Definition
-cutoneous sense receptors in dermis, corpuscles change shape to pressure
Ex. Concentration on fingers, palms, lips, tounge, nipples, penis, clitoris |
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Term
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Definition
- buds on toungue have pores w/ microvilli
-receptor proteins bond to cham and generate an action potential
tip-sweet
sour-margin
salt-tip/front
bitter-back
umamy-savory |
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Term
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Definition
-Olfactory cells - modified neurons w/ receptor proteins
-located in root of nasal cavity, different molecules stimulate diff proteins
-direct connection to LIMBIC SYSTEM
(Powerful Emotions=MEMORY)
(Orors mix with taste) |
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Term
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Definition
-Invertebrate eye
Planarian-flatworm-eyespot (light or dark)
Fly compound eye- many omatida |
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