Topic 19: Nervous System - CNS - Hindbrain Flashcards

1
Q

Name the 3 structures of the hindbrain

A
  • pons
  • medulla oblongata
  • cerebellum
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Where is the pons?

A
  • anterior to cerebellum
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Where do tracts in the pons run to and from? (2)

A
  • tracts between brain and spinal cord
  • tracts to and from cerebellum
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What structure does the pons contain?

A
  • pontine respiratory centres
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where is the medulla oblongata? (2)

A
  • inferior to pons
  • ends at foramen magnum
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The medulla oblongata has 2 bulges. What are they called? (2)

A
  • pyramids
  • they are large motor tracts that are part of cortocospinal tracts
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What occurs above the spinal cord in terms of these bulges?

A
  • decussation
  • aka crossover of pyramids
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what are the three vital centres in the medulla?

A
  • cardiac
  • vasomotor (blood vessels)
  • respiratory
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the functions of the non-vital centres in the medulla? (3)

A
  • swallowing
  • sneezing
  • vomiting
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What 3 structures make up the brain stem?

A
  • midbrain
  • pons
  • medulla
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

where is the cerebellum?

A
  • posterior to pons and medulla
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the structure of the cerebellum?

A
  • has folds similar to gyri called folia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the matter in the cerebellum?

A

cortex = gray matter
arbor vitae (deep to cortex, ant. cerebellum) = white matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the function of the cerebellum? (2)

A
  • coordinates skeletal muscle contraction
  • balance, posture
How well did you know this?
1
Not at all
2
3
4
5
Perfectly