Sensory Receptors Study Guide (copy)

Which type of mechanoreceptor responds to light touch on fingertips?

meissner

Which type of mechanoreceptor responds to vibration and deep pressure?

pacinian

Which type of mechanoreceptor responds to sustained touch, light touch, and recognizes edges?

merkel

Which type of mechanoreceptor responds to stretch of skin?

ruffini

What type of proprioreceptor senses stretch and length?

Muscle spindles

What type of proprioreceptor senses tension via Ib receptors?

golgi tendon

Thermoreceptors sense what?

heat and cold

Nocioreceptors sense what?

Pain

what are some examples of chemoreceptors ?

olfactory, gustatory, carotid/aortic bodies

Which of the following adapt rapidly and signal change?

Meissner and pacinian

Which of the following adapt slow and signal sustained stimulus?

Merkel and ruffini

Where is two point discrimination smallest on?

fingertips

Where is two point discrimination largest on?

back

What layer wraps around each axon?

endonerium (deepest)

What layer wraps around fascicles?

Perinerium

Which layer wraps around the whole nerve?

Epinerium

What cell bodies are in the dorsal root ganglion?

pseudounipolar

Where are the cell bodies of the ventral horn?

ventral root