Skeletal& Muscular Sysytem

Skeletal& Muscular Sysytem - BSC2011 (Dr. Song) - 1

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Sensory/Skeletal/Muscular System (Chapter 50) Sensory pathways Sensory reception: detection of a stimulus by sensory cells o Sensory receptor Transduction: conversion of a stimulus to a change in the membrane potential of a sensory receptor o Highly sensitive o Amplification and adaptation Transmission: sensory information traveling through nervous system in the form of action potentials Perception: action potential reaching brain via sensory neurons o Color, smell, sound, taste, etc. Types of sensory receptors Mechanoreceptors: pressure, touch, stretch, motion, sound Chemoreceptors: smell, taste Electromagnetic receptors: visible light, electricity, magnetism Thermoreceptors: heat, cold Nociceptors: pain Hearing Outer ear: pinna, auditory canal Middle ear: ear bones (malleus, incus, stapes) Inner ear: semicircular canals, cochlea Tympanic membrane separate outer and middle ears Organ of equilibrium Semicircular canals (three spatial planes): detect angular movement
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This note was uploaded on 09/21/2011 for the course BSC2011C 2011 taught by Professor Fedorka/song during the Spring '11 term at University of Central Florida.

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Skeletal& Muscular Sysytem - BSC2011 (Dr. Song) - 1

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