Chapter 5A Flashcards
1
Q
Tonic
A
Slow adaption
2
Q
Phasic adaption
A
Rapid
3
Q
Receptor potential
A
Is a synapse
4
Q
Generator potential
A
Connects directly to the receptor
5
Q
Free nerve
A
- present at the base of hair follicle
- senses hair movement, itching and tickling
6
Q
Meissner receptor
A
- present in fingers, lips and nipples
- sense stroking and fluttering movements
7
Q
Merkels receptor
A
“Touch domes”
- mammary glands
8
Q
Ruffin receptor
A
Responds to skin stretch torque/deformation
- deep layers of cells
9
Q
Pacinian corpulus receptors
A
- senses vibration and deep pressure, touch
- concentric rings and affrent neurons
10
Q
Pain receptors
A
Nociceptors
11
Q
Type of touch receptors
A
- free nerve
- meissners
- merkel
- Ruffin
- pacinian corpulus
12
Q
Body pain
A
Should disappear
Includes:
- muscle pain, lactic acid build up
13
Q
Referred pain
A
Visceral pain (internal organs) sensed in the skin
Ex.
- heart pain —> left arm
14
Q
Neuropathic pain
A
Chronic conditions
15
Q
Phantom pain
A
Pain in a missing limb
