Sensory Receptors Flashcards
1
Q
Free Nerve Endings
A
C- slow, unmyelinated
A delta - fast, myelinated (adapt quickly)
-Pain/temp of all skin, epidermia and some viscera
2
Q
Meissner Corpuscles
A
Large, myelinated (adapt quickly)
- In hairless skin
- Fine/light touch and position sense
3
Q
Pacinian Corpuscles
A
Large, myelinated (adapt quickly)
- Deep skin, ligaments, joints
- Vibration/ pressure
4
Q
Merkel Discs
A
Large, myelinated (adapt slowly)
- Finger tips and superficial skin
- Pressure, deep static touch (shapes, edges), position sense
5
Q
Ruffini Corpuscles
A
Dendritic endings w/ capsule (adapt slowly)
- Finger tips, joints
- Pressure, slipping of objects on skin surface, joint angle changes
