Central Nervous System Flashcards Preview

Anatomy 1 > Central Nervous System > Flashcards

Flashcards in Central Nervous System Deck (28)
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1
Q

What makes up the CNS

A

Brain and the Spinal Cord

2
Q

What meninges cover the CNS

A

Dura mater
Arachnoid
Pia mater

3
Q

What are the segments of the spinal cord

A
Cervical
Thoracic
Lumbar
Sacral
Coccygeal
4
Q

How many pairs of spinal nerves are there

A

31

5
Q

How many pairs of cervical nerves are there

A

8

6
Q

How many pairs of thoracic nerves are there

A

12

7
Q

How many pairs of lumbar nerves are there

A

5

8
Q

How many pairs of sacral nerves are there

A

5

9
Q

How many pairs of coccygeal nerves are there

A

1

10
Q

What does grey matter contain

A

Neurone cell bodies and some axons

11
Q

What does white matter contain

A

Nerve axons

12
Q

What is dorsal horn grey matter

A

Location of first order afferent neuron terminals
Found in dorsal or posterior part of spinal cord
Contains cell bodies of second order sensory neurons

13
Q

What is ventral horn grey matter

A

Contains cell bodies of motor neurons

Found in ventral or anterior part of spinal cord

14
Q

What does white matter stain myelin

A

Dark

15
Q

What does grey matter stain myelin

A

Pale

16
Q

What regions of the spinal cord contain more white matter than grey matter

A

Cervical and thoracic regions

17
Q

What regions of the spinal cord contains more grey matter than white matter

A

Lumbar and sacral regions

18
Q

Where is the grey and white matter located in the spinal cord

A

White matter surrounds the grey matter

19
Q

Where is the white and grey matter located in the brain

A

White matter inside the core with grey matter on the surface

20
Q

Which parts of the brain are located in the forebrain

A

The cerebral cortex and the diencephalon

21
Q

Which parts of the brain are located in the hindbrain

A

Pons
Medulla oblongata
Cerebellum

22
Q

What is the function of the midbrain

A

Visual and auditory reflexes

Pain control

23
Q

What is the function of the hindbrain

A

Vital centres regulating breathing, heart, blood vessel - medulla
Control of balance and posture - cerebellum

24
Q

Which parts of the brain are located in the diencephalon

A

Thalamus
Hypothalamus
Cerebrum

25
Q

What is the function of the thalamus

A

Sensory processing

26
Q

What is the function of the hypothalamus

A
Role in homeostasis eg - thermoregulation
Hormone production
Associated with the pituitary gland
Circadian rhythms
Motivation
Emotional responses eg - stress
27
Q

What is the function of the cerebral cortex

A
Sensory and motor functions
Language
Memory
Perceptions
Sensory-motor integrations
Emotions
28
Q

What makes up the lateral surface of the brain

A

Frontal lobe
Parietal lobe
Occipital lobe
Temporal lobe