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42 Cards in this Set

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  • Back
somatosensory system
The _____________ system is involved w/ body sensations such as pressure, temp., pain, and body position.
Mechanoreceptors
Free nerve ending
Mechanoreceptors
Merkel's disk
Mechanoreceptors
Pacinian corpuscle
Mechanoreceptors
Meissner's corpuscle
Mechanoreceptors
Hair follicle receptor
Mechanoreceptors
Ruffini's ending
Thermoreceptors
Warm receptors
(free nerve ending)
Thermoreceptors
Cold receptors
Nocireceptors
Mechanical
(free nerve endings)
Nocireceptors
Thermal receptors
(free nerve endings)
Nocireceptors
Polymodal
(free nerve endings)
light touch
What is the modality of a free nerve ending?
pressure
What is the modality of a merkel disc?
Vibration
What is the modality of a pacinian corpuscle?
vibration
What is the modality of a meissner's corpuscle?
bending of hair
What is the modality of a hair follicle receptor?
pressure
What is the modality of a ruffini ending?
increase in skin temp
What is the modality of a warm receptors?
decrease in skin temp.
What is the modality of a cold receptors?
intense mechanical stimulus
What is the modality of a mechanical (free nerve ending)?
intense hot or cold stimulus
What is the modality of a thermal (free nerve ending)?
intense mechanical or thermal stimulus
specific chemicals
What is the modality of a polymodal (free nerve ending)?
Superficial
all skin
What is the LOCATION of the free nerve endings?
Superficial all skin
What is the LOCATION of the merkel disc's?
Deep
all skin
What is the LOCATION of the pacinian corpuscle?
Superficial
glabrous skin
What is the LOCATION of the meissner's corpuscle?
Superficial
hairy skin
What is the LOCATION of the hair follicle receptor?
Deep
hairy skin
What is the LOCATION of the ruffini's ending?
Superficial
all skin
What is the LOCATION of the warm receptors?
superficial
all skin
What is the LOCATION of the cold receptors?
Superficial
all skin
What is the LOCATION of the mechanical (free nerve ending)?
Superficial
all skin
What is the LOCATION of the thermal (free nerve ending)?
Superficial
all skin
What is the LOCATION of the polymodal (free nerve ending)?
mechanoreceptors
detect pressure, force, or vibration.
thermoreceptors
detect temp
nocireceptors
detect tissue-damaging stimuli
free nerve endings
The few somatosensory receptors types that lack indentifiable specialized structures
in the epidermis
Where are merkel discs and meissners corpuscle located?
in the dermis
Where are hair follicle receptors, Pacinian corpuscles, and Ruffini's endings located?
meissner corpuscles
_________ _________ are ONLY found in glabrous skin (hairless skin).
paradoxical cold
Ther perception of cold at these hot temps is referred to as __________ ____.