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17 Cards in this Set

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Temperature
Heat/Cold Intereceptors
found in Skin/Hypthalamus as Free Nerve Endings
Temperature Change Open/Close ion channels in membrane
Receptor, location, structure, Transduction Process
Touch
Meissners corpuscles, Hair follicle receptors, merkel cells, ruffinicorpuscles found in Skin epithelium
as Nerve ending w/in elastic capsule
Rapid or extended change in P deforms membrane
Receptor, location, structure, Transduction Process
Vibration
Pacinian Corpuscles found Deep w/in Skin as
Nerve ending w/ elastic capsule
Sever change in P deforms membranes
Receptor, location, structure, Transduction Process
Pain
Nociceptors found Throughout body as
Free nerve endings
Chemical or changes in T and P open /close ion channels in membrane
Receptor, location, structure, Transduction Process
Muscle Stretch
Stretch Receptors found
w/in muscle as
spiral nerve ending wrapped around muscle spindle
Stretch of spindle deforms membrane
Receptor, location, structure, Transduction Process
Blood Pressure
Baroreceptors found in arterial branches as nerve endings over thin part of arterial wall, a stretch of arterial wall deforms membrane
Receptor, location, structure, Transduction Process
What are the interoreceptors
temerature, touch, Vibrations, Pain, Muscle stretch, Blood pressure,
6
Gravity
Statocysts found in Outer chambers of Inner ear as Otoliths and Hair cells
Otoliths deform hair cells in the transduction process
Receptor, location, structure, Transduction Process
Motion
CUPULA found in Semicircular canals of Inner ear as a collection of hair cells
fluid movement deforms hair cells
LATERAL LINE ORGAN found w/in grooves on body surface of fish only difference.
2 Receptor, location, structure, Transduction Process
Taste
Taste bud cells found in Mouth; Skin of fish as Chemoreceptors: epithilial cells w/ microvilli
chemicals bind to membrane receptors
Receptor, location, structure, Transduction Process
Smell
Olfactory Neurons found in nasal passages as chemoreceptors: ciliated neurons
chemicals bind to receptor membranes
Receptor, location, structure, Transduction Process
Hearing
Organ of Corti found in Cochlea of inner ear as b/t basilar and tectorial membranes
sound wave in fluid move hairs to deform membrane
Receptor, location, structure, Transduction Process
Vision
Rod and cone cell found in retina of eye as array of photosensitive pigments
light initiates process that closes ion chnnels
Receptor, location, structure, Transduction Process
Heat
Pit organ found on face of snake as temperature receptors in two chambers
Receptors compare temperatures of surface and interior chambers
Receptor, location, structure, Transduction Process
Electricity
Ampullae of Lorenzini found w/in skin of fishes as closed cesicles w/ asymmetrical ion channel distribution
elctrical field alters iion distribution on membranes
Receptor, location, structure, Transduction Process
Magnetism
?possibly deflection at magnetic field initiates nerve impulses?
What are the exteroreceptors?
Gravity, Motion, Taste, Smell, Hearing, Vison, Heat, Electricity, Magnetism
9