Receptors Flashcards
(13 cards)
General sensations
pain, temp, touch, vibration
Special sensations,
see, smell, hear, balance, taste
Process of sensation
stimulation, conversion, generate impulses, and integration
Simple vs complex receptors.
simple- free nerve endings
complex- encapsulate nerve endings
both- unipolar
Special sense receptors
respond to certain stimuli & BIPOLAR
Mehanoreceptors
pressure, stretch, touch, vibration, proprioception
3 types- baroreceptors, proprioceptors, and tactile
Chemoreceptors
detect molecules
ex. carotid body and aortic bodies
Nociceptors
detect pain, free nerve endings
Fast pain vs Slow pain
Fast- type A, not felt in deep tissue
Slow- type C
Thermoreceptors
detect temp., free nerve endings
Tactile receptors
pressure and vibration
free nerve endings, root hair plexus, Merkel’s dics, Meissner’s corpuscles, Pacinian corpuscles, Ruffini
Pacinian corpuscle
(encapsulated)- high frequency vibration
Meissner’s corpuscles
low frequency vibration
ex. eyelids, lips, fingertip, nip