They are sensitive to physical distortion and monitor contact with the skin, pressure in the heart and blood vessels, stretching of digestive organs and urinary bladder and pressure on the teeth.
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What are the different types of mechanoreceptors?
Pacinian corpuscle, Ruffini's endings and Meissner's corpuscle
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How are the 30 spinal fragments divided?
Into four groups, cervical (1-8), thoraic (1-12), lumbar (1-5) and sacral (1-5)
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What are dermatomes?
An area of the skin innervated by the right and left dorsal roots of a single spinal segment.
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What is the pathway serving touch called?
The dorsal column-medial lemniscal pathway, this pathway is ipsilateral
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Where is the somatosensory cortex located?
In the parietal lobe, on the postcentral gyrus behind the central sulcus
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What are nociceptors?
These are free, branching unmyelinated nerve endings that signal that the body tissue is being damaged.
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What is hyperalgesia?
A reduced threshold for pain/increased intensity of painful stimuli
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What are the neurotransmitters for pain?
Glutatmate and substance P
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Other cards in this set
Card 2
Front
What do the mechanoreceptors in the skin do?
Back
They are sensitive to physical distortion and monitor contact with the skin, pressure in the heart and blood vessels, stretching of digestive organs and urinary bladder and pressure on the teeth.
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