Lecture 9 Flashcards Preview

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Flashcards in Lecture 9 Deck (21)
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1
Q

What do peripheral nerves contain?

A

Axons, Schwann cells, connective tissue and blood vessels

2
Q

If a stimulus is continuous for a period of time, the neural response becomes diminished. This is termed?

A

Receptor adaptation

3
Q

What are the receptors associated with skin, pressure and vibration?

A

Hair follicle receptors, Mesissner’s corpuscles, Pacinian corpuscles, Ruffini’s endings, Merkel’s nerve endings and free nerve endings

4
Q

What are termed encapsulated endings?

A

Meissner’s corpuscles, Pacinian corpuscles and Ruffini’s endings

5
Q

What are hair follicle receptors called?

A

Peritrichial endings

6
Q

Where are Meissner’s corpuslces found?

A

Glabrous skin, in dermal papillae

7
Q

What surrounds a Meissner’s corpuscle?

A

Connective tissue sheath

8
Q

What are Meissner’s corpuscle sensitive to?

A

Touch and vibration

9
Q

Where are Pacinian Corpuscle found?

A

Deep in the dermis

10
Q

Examples of where Pacinian corpuscles could be found?

A

Joint capsules, mesentery and periosteum surrounding bone

11
Q

What do Pacinian corpuscles respond to?

A

Pressure and vibration

12
Q

What provides information to the muscle about the velocity of change of length in the muscles?

A

Muscle spindles

13
Q

What fibres are within muscles spindles?

A

Intrafusal fibres

14
Q

What are the two types of intrafusal muscle fibres?

A

Nuclear chain fibres and nuclear bag fibres

15
Q

What are the two types of sensory axons in the muscle spindle?

A

Annulospiral endings and flower spray endings

16
Q

Where are golgi tendon organs found?

A

In tendons near the myotendonous junction

17
Q

What cells form the neuromuscular junction?

A

Motor neuron, Muscle fibres and Schwann cells

18
Q

The specialised region of the muscle fibre that receives the nerve terminal is called?

A

Sole plate

19
Q

Each nerve terminal sits in a depression i the muscle fibres surface called?

A

Primary synaptic cleft

20
Q

What is the main support cells?

A

Schwann cell

21
Q

Motor axons terminate where?

A

Motor end plate