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PSYC 100 Chapter Notes -Myocyte, Spinal Nerve, Cranial Nerves

Course Code
PSYC 100
Ingrid Johnsrude

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Somatosenses 6/8/2012 6:49:00 AM
The Somatosenses
bodily sensations,
sensitive to stimuli such as touch, pain and temperature
3 types
skin senses, internal senses, vestibular senses
Free nerve ending- a dendrite of somatosensory neurons
Pacinian corpuscle - a specialized nerve ending that detects mechanical stimuli,
especially vibrations
The entire surface of the human body is innervated (supplied with nerve
fibres) by the dendrites of neurons that transmit somatosensory information to
the brain
Cranial nerves convey information from the face and front portion of the head
Spinal nerves convey information from the rest of the body’s surface
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