Sensory receptors Flashcards Preview

neurology FA > Sensory receptors > Flashcards

Flashcards in Sensory receptors Deck (30)
Loading flashcards...
1
Q

sensory receptors - types

A
  1. free nerve ending
  2. Meissner corpuscles
  3. Pacinian corpuscles
  4. Merkel discs
  5. Ruffini corpuscles
2
Q

sensory receptors - free nerve endings structure

A

C - slow, unmyelinated fibers

Αδ - fast, myelinated fibers

3
Q

sensory receptors - free nerve endings location

A

All skin
epidemis
some viscera

4
Q

sensory receptors - free nerve endings senses

A

pain and temperature

5
Q

sensory receptors - Meissner corpuscles - description

A

large, myelinated

6
Q

sensory receptors - Meissner corpuscles - adapt

A

quickly

7
Q

sensory receptors - Meissner corpuscles - location

A

Glabrous (hairless) skin

8
Q

sensory receptors - Meissner corpuscles - senses

A

Dynamic, fine/light touch

position sense

9
Q

sensory receptors - Paciciani corpuscles - structure

A

Large, myelinated fibers

10
Q

sensory receptors - Paciciani corpuscles - adapt

A

quickly

11
Q

sensory receptors - Paciciani corpuscles - location

A

Deep skin layers
ligaments
joints

12
Q

sensory receptors - Paciciani corpuscles - senses

A

vibration

pressure

13
Q

sensory receptors - Merkel discs - structure

A

Large, myelinated fibres

14
Q

sensory receptors - Merkel discs - adapt

A

slowly

15
Q

sensory receptors - Merkel discs - location

A

Finger tips

superficial skin

16
Q

sensory receptors - Merkel discs - senses

A
  1. Pressure
  2. deep static touch (shapes, edges)
  3. position sense
17
Q

sensory receptors - Ruffini corpuscles - structure

A

dendritic endings with capsule

18
Q

sensory receptors - Ruffini corpuscles - adapt

A

slowly

19
Q

sensory receptors - Ruffini corpuscles - location

A

finger tips, joints

20
Q

sensory receptors - Ruffini corpuscles - senses

A
  1. Pressure
  2. joint angle change
  3. slippage of objects along surface of skin
21
Q

sensory receptors of Glabrous skin

A

Meissner corpuscles

22
Q

sensory receptors on joints

A
  1. Ruffini corpuscles

2. Pacinian corpuscles

23
Q

sensory receptors for temperature

A

free nerve endings

24
Q

sensory receptors with slow, unmyelinated fibers

A

C - Free nerve endings

25
Q

sensory receptors for vibration

A

Pacinian corpuscles

26
Q

temperature receptors

A

free nerve endings senses

27
Q

slow adapt receptors

A

Merkel discs

Ruffini corpuscles

28
Q

slippage of object - receptors

A

Ruffini corpuscles

29
Q

pressure - receptors

A
  1. Pacinian corpuscles
  2. Merkel discs
  3. Ruffini corpuscles
30
Q

position sense - receptors

A
  1. Merkel disc

2. Meissner corpuscles