Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
To simplify sensory receptor classification, why might it make sense
to eliminate nociceptors as a distinct class?
Expert Solution
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Step 1
Nociceptors are the sensory receptors that respond to threat stimuli. They are also called pain receptors because they sense any threat to the body and then alarm the brain and spinal cord. They are free nerve endings of a sensory neuron, and they are found in every tissue. When the electric current generated by the neurons reaches above the threshold value, nociceptors get activated and send signals to the central nervous system.
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- What is Shape-Pattern Theory? Which sense does it involve, and how does it work?arrow_forwardAlthough all sensory receptors are specific for one type of stimulus, they all produce the same output signal. What is this signal?arrow_forwardExplain the mechanism of mechano-electrical coupling in cochlear hair cells and how cadherin molecules help us to hear?arrow_forward
- what is the function of a tatctile corpusclearrow_forwardYou’ve cut your finger on a broken beaker in your A&P lab. Using stimulus type, location, and receptor structure, classify the sensory receptors that allow you to feel the pain.arrow_forwardMatch the receptors in column A with the stimulus it perceives la column B and the type of receptor in column C. You will have two- letter answer per number. A._____1. Free nerve ending_____2.Merkel cells_____3.Krause end bulbs_____4.Meissner corpuscle_____5.Pacinian corpuscle_____6.Ruffini’s ending B.a. Temperaturesb. Touchc. Pressured. Paine. Taste C.v. Mechano receptorw. Nociceptory. Thermo receptorz. Proprioceptorarrow_forward
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