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16 Cards in this Set
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SOMATIC NERVOUS SYSTEM (SNS)
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IS PART OF THE PERIPHERAL NERVOUS SYSTEM ASSOCIATED WITH THE VOLUNTARY CONTROL OF BODY MOVEMENTS THROUGH THE ACTION OF SKELETAL MUSCLES, AND WITH RECEPTION OF EXTERNAL STIMULI, WHICK HELPS KEEP THE BODY IN TOUCH WITH ITS SURROUNDING(EX.TOUCH, HEARING, &SIGHT)
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SNS CONTINUED
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THE SYSTEM INCLUDES ALL THE NEURONS CONNECTED WITH SKELETAL MUSCLES, SKIN,AND SENSE ORGANS. THE SNS CONSISTS OF EFFERENT NERVES RESPONSIBLE FOR SENDING BRAIN SIGNALS FOR MUSCLE CONTRACTION
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TYPES OF RECEPTORS (7)
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NOCICEPTORS
THERMORECEPTORS CHEMORECEPTORS MECHANORECEPTORS TACTILE BARORECEPTOR PROPRIOCEPTORS |
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NOCICEPTORS
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IS A SENSORY RECEPTOR THAT SENDS SIGNALS THAT CAUSE THE PERCEPTION OF PAIN IN RESPONSE TO A POTENTIALLY DAMAGING STIMULI.
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NOCICEPTORS
(WHERE FOUND) |
ESPECIALLY FOUND IN SUPERFICIAL PORTIONS OF THE SKIN, IN JOINT CAPSULES, WITHIN THE PERIOSTIUM, AND AROUND THE WALLS OF BLOOD VESSELS.
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NOCICEPRORS
(INFO) |
NOCICEPTORS MAY BE SENSITIVE TO:
EXPTREME TEMPERATURE MECHANICAL DAMAGE(PHYSICAL TEARS) DISSOLVED CHEMICALS SUCH AS THE ONED RELEASED DURING INFLAMITORY PROCESS |
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THERMORECEPTOR
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A THRMALRECEPTOR IS A SENSORY RECEPTOR. OR RECEPTIVE PORTION OF A SENSORY NEURON, THAT CODES ABSOLUTE AND RELATIVE CHANGES IN TEMPERATURE
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THERMORECEPTOR
(FOUND) |
ARE LOCATED IN THE DERMIS. IN SKELETAL MUSCLE, IN THE LIVER, AND IN THE PYPOTHALAMUS
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THERMORECEPTOR
(EXAMPLE) |
WALKING INTO A CLASSROOM.
QUICK TO FEEL THE COOL ON A HOT DAY BUT DOES NOT LAST LONG DUE TO FACT THAT THERMORECEPTORS ACT QUICK BUT ALSO REGULATE QUICK |
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MECHANORECEPTORS
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ARE RECEPTORS SENSITIVE TO STIMULI THAT DISTORT THEIR PLASMA MEMBRANES
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TACTILE RECEPTORS
falls under mechanoreceptors |
TOUCH, PRESSURE, AND VIBRATION (HAIR ROOT)
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BARORECEPTORS
falls under mechanoreceptors |
DETECT PRESSURE CHANGES IN THE WALLS OF THE BLOOD VESSELS AND IN PORTIONS OF DIGESTIVE, REPRODUCTIVE, AND URINARY TRACTS. (BLOOD PRESSURE MONITOR)
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PROPRIOCEPTORS
falls under mechanoreceptors |
MONITOR POSITIONS OF JOINTS AND MUSCLES(GTO MUSCLE SPINDEL ETC)
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CHEMORECEPTORS
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ALSO KNOWN AS CHEMOSENSOR. IS A SENSORY RECEPTOR THAT TRANSDUCES A CHEMICAL SIGNAL INTO AN ACTION POTENTIAL,OR MORE GENERALLY, A CHEMOSENSOR DETECTS CERTAIN CHEMICAL STIMULI IN THE ENVIRONMENT.
(EX IN CLASS: HYPERVENTALATION BREATH IN BAG TO BALANCE CARBON DIOXIDE) |
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CHEMORECEPTORS
(EXAMPLE) |
EXAMPLES INCLUDE VERTABRAL ARTERIES AND MONITOR RESPIRATION RATES BY MONITORING pH AND OXYGEN AND CARBON DIOXIDE LEVELS.
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SOMATIC SENSORY PATHWAYS(3MAJOR)
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-POSTERIOR COLUMN PATHWAY
-SPINOCEREBELLAR PATHWAY -SPINOTHALAMIC PATHWAY |
