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Anatomy and Physiology Krebs Cycle Essay

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1.
Name the three structures of receptors, describe each, and give a specific example of each.
1. FREE NERVE ENDINGS:
-bare dendrites
-lack any structural specializations that can be seen under a light microscope
-EXAMPLES: receptors for pain, thermal, tickle, itch, and some touch sensations

2. ENCAPSULATED NERVE ENDINGS:
-dendrites are enclosed in a connective tissue capsule   that has a distinctive microscopic structure
-different types of capsules enhance the sensitivity or specificity of the receptor
-EXAMPLES: pressure, vibration, and visceral sensations

3. SEPARATE CELLS:
-sensory receptors for some special senses are specialized
-hair cells for equilibrium in the inner ear
-gustatory receptor cells in taste buds
-photoreceptors in the retina of the eye for vision

Name the three locations of receptors, describe each, and give a specific example of each.
1. EXTEROCEPTORS:
-near external surfaces
-deals with somatic and special senses
-EXAMPLE: hearing, vision, smell, taste, touch, pressure, vibration, temperature, and pain

2. INTEROCEPTORS:
-internal location
-deals with visceral sensations
-nerve impulses conducted are not consciously perceived
-EXAMPLE:

3. PROPRIOCEPTORS:
-provide information about body position, muscle length, and tension, and the position and movement of joints
-located in muscles, tendons, joints, and the inner ear
-EXAMPLE:

NAME AT LEAST FOUR RECEPTORS NAMED FOR THE STIMULI THEY DETECT, DESCRIBE EACH STIMULUS, AND GIVE A SPECIFIC EXAMPLE OF EACH.
1. MECHANORECEPTORS: sensitive to mechanical stimuli such as the deformation, stretching or bending of cells
-provide sensations of touch, pressure, vibration, proprioception, and hearing/equilibrium.
-monitor stretching of blood vessels and internal organs
-EXAMPLE:

2.THERMORECEPTORS: detect changes in temperature
-EXAMPLE:

3. NOCICEPTOR: respond to painful stimuli resulting from physical or chemical damage to tissue
-EXAMPLE:

4....

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"Anatomy and Physiology Krebs Cycle". Anti Essays. 16 Dec. 2018

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APA Citation

Anatomy and Physiology Krebs Cycle. Anti Essays. Retrieved December 16, 2018, from the World Wide Web: http://parimatch-stavka7.com/free-essays/Anatomy-And-Physiology-Krebs-Cycle-529627.html


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