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Sensory System 45

QuestionAnswer
Exeroceptors Receptors that sese stimuli that arise in the external environment.
Interoceptors Sense stimuli that arise from within the body.
Mechanoreceptors Stimulated by mechanical forces such as pressure.
Chemoreceptors Detect chemicals or chemical changes.
Electromagnetic receptors React to heat and light energy.
Stimulus-gated ion channels Produces a depolarization of receptor cell.
Nociceptos Receptors that transmit impulses perceived as pain.
Muscle spindles Buried within the skeletal muscles of all vertebrates except the bony fishes.
Proprioceptors Muscles spindles, together with other receptors in tendons and joints.
Golgi tendon organs When a muscle contracts, it exerts tension on the tendons attached to it.
Stereocilia Hair cells have several hairlike processes.
Kinocilium Hair cells have one longer processes.
Otoliths Ear rocks, composed of calcium carbonate crystals.
Labyrinth A system of fluid-filld chambers and tubes als present in other vetebrates.
Outer ear Vibration in air may b channeled through an ear canal to the eardrum, or tympanic mebrane.
Middle ear Vibrations of the tympanic membrane cause movement of one or more small bones thatare located in a bony cavity.
Urricle Provide the sense of linear acceleration and semicircular canals provide a sense of angular acceleration.
Saccule Provide the sense of linear acceleration and semicircular canals provide a sense of angular acceleration.
Echolocation Mammals emit sounds and then determine te time it takes these sounds to reach an object an return to the animal.
Photoreceptors Begin with the capture of light energy in vision.
Rod Shape of the outer segment of the eye.
Created by: scott.vue
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