The Somatic Sensory System - Introduction touch - Mechanoreceptors of the Skin
9 important questions on The Somatic Sensory System - Introduction touch - Mechanoreceptors of the Skin
Where are mechanoreceptors located and what do they monitor?
How do they sense and what are they sensitive to?
They monitor: skin contact, pressure in the heart and blood vessels, stretching of digestive organs and bladder, force against teeth.
At the heart of all mechanoreceptors are unmyelinated axon branches that are sensitive to stretching, bending, pressure, or vibration.
Name the six mechanoreceptors of the skin.
2 - Meissner's corpuscle
3 - Merkel's disk
4 - Ruffini's ending
5 - Peritrichal end nerves
6 - Pacinian corpuscles
Where do the free nerve endings lay and what are there function?
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Where do the Meissner's corpuscle lay and what are they sensitive to?
They are sensitive to vibration and minimal touch
Where are Merkel's disk located and what are they sensitive to?
Where do the Ruffini's ending lay and what are they sensitive to?
What do the peritrichal end nerves sense and registrate?
Where do Pacinian corposcules lay and what do they perceive?
The mechanoreceptors of the skin all have unmyelinated axon terminals, and the membranes of these axons have mechanosensitive ion channels, what do they do?
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