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CNS - Lucocq > Intro to CNS (Lecture 1) > Flashcards

Intro to CNS (Lecture 1) Flashcards

1
Q

Basic Function of CNS?

A

Collect, process & send info (sensory & motor)

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2
Q

What Units Make up CNS?

A

Neurons (100b) + Glia (support cells) (1000b)

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3
Q

How do Neurones Communicate?

A

Secretion of NT’s at Boutons

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4
Q

What is at the ‘Base’ of a neurone?

A

Dendrites

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5
Q

What is the apex of a neurone?

A

Axon

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6
Q

How are NT vesicles moved to the Presynaptic membrane?

A

Microtubule Transport with energy via Mitochondria

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7
Q

What is LTP (Long Term Potentiation?)

A

Changing function of dendritic spines due to repetitive stimulation of neurone pathways over time. Allows learning in CNS.

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8
Q

What is Grey Matter?

A

Collection of neurones, synapses & processes (& support cells)

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9
Q

Where is Grey Matter found?

A

Brain (outside) & Spinal Cord (inside)

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10
Q

What cells perform myelination?

A

Schwann cells in PNS

Oligodendrocytes in CNS

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11
Q

What are the gaps between myelinated parts of neurones called?

A

Nodes of Ranvier

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12
Q

What is White Matter?

A

Collection of nerve fibres (mostly myelinated)

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13
Q

Label the Head Diagram with Names

A

See Word Document

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14
Q

Descrive the different slice directions

A

Coronal = Headphone
Sagittal = Arrow
Horizontal

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15
Q

2 Main Parts of CNS

A

Brain & Spinal Cord

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16
Q

Label the Brain Diagram - include Diencephalon, Brain Stem (Mid, Pons, Medulla), Cerebellum & Hemispheres

A

See Word Doc

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17
Q

Label the Brain Diagram (2) - Lobes, Sulci & Fissures

A

Central Sulcus
Parieto-Occipital Sulcus
Lateral Fissure with Insula
Pre-Occipital Notch

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18
Q

Where is the Insula?

A

Floor of lat fissure

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19
Q

What do Gyri do?

A

Increase surface area & vol of grey matter (cortex)

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20
Q

What is found either side of Central Sulcus?

A

Precentral & Postcentral Gyri

21
Q

What makes up the Diencephalon?

A

Thalamus, Hypothalamus & more

22
Q

What makes up the Brainstem (3 parts)

A

Midbrain
Pons
Hindbrain

23
Q

Where is the Interventricular Foramen?

A

Between Lateral & 3rd Ventricles

24
Q

Where is the Cerebral Aqueduct?

A

Between 3rd & 4th ventricles

25
Q

What Ventricle is the Midbrain Related to?

A

3rd

26
Q

What part of the brainstem is the 4th Ventricle related to?

A

Medulla

27
Q

What is the name given to the largest collection of white matter?

A

Corpus Callosum

28
Q

Label the Brain Diagram with Corpus Callosum, IV Foramen, Cingulate Gyrus, Fornix & Thalamus

A

See Word Doc

29
Q

Where is Thalamus found?

A

Wall of 3rd ventricle

30
Q

Label the CT similar to Q. 28

A

See Word Doc

31
Q

Name the type of slice taken on Image 6

A

Coronal/Saggital

32
Q

Name the 2 major parts of White Matter within Cerebral Hemisphere

A

Corona Radiata

Internal Capsule

33
Q

What is the Internal Capsule?

A

White Matter Fibres Passing To/From Midbrain

34
Q

Label Int Capsule, Putamen (& Globus Pallidus), Thalamus & Caudate Nucleus on Image 7

A

Word Doc

35
Q

Now point to these structures on Image 6

A

Word Doc

36
Q

What makes up the Lentiform Nucleus?

A

Putamen

Globus Pallidus

37
Q

What is Amygdala?

A

End of the Tail of the Caudate Nucleus (Locate on Image 7)

38
Q

What Type of Slice is Image 9? Label Image 9

A

Horizontal

39
Q

Name the bulges of the midbrain. How many are there?

A

Cerebral peduncles.

2.

40
Q

Label the parts of the midbrain on Image 12.

A

Cerebral Aqueduct

Cerebral Peduncles

41
Q

How many bulges does the Pons have?

A

1

42
Q

What is the name of the Pons’ peduncle?

A

Middle Cerebellar Peduncle

43
Q

Label the features of the Pons on Image 13.

A

Include 4th Ventricle

44
Q

How many Bulges in Medulla?

A

4

45
Q

Label Image 14 - Features of the Medulla

A

Pyramids

Olives

46
Q

What makes up the Pyramids of the Medulla?

A

White Matter

47
Q

What side do most Cranial Nerves exit from?

A

Ventral

48
Q

Where do most Cranial Nerves Emerge From? How many?

A

Brainstem.

10.

CNS - Lucocq (6 decks)

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