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

Intro to CNS (Lecture 1) Flashcards

(48 cards)

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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?

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A

Precentral & Postcentral Gyri

21
Q

What makes up the Diencephalon?

Study These Flashcards
A

Thalamus, Hypothalamus & more

22
Q

What makes up the Brainstem (3 parts)

Study These Flashcards
A

Midbrain
Pons
Hindbrain

23
Q

Where is the Interventricular Foramen?

Study These Flashcards
A

Between Lateral & 3rd Ventricles

24
Q

Where is the Cerebral Aqueduct?

Study These Flashcards
A

Between 3rd & 4th ventricles

25
What Ventricle is the Midbrain Related to?
3rd
26
What part of the brainstem is the 4th Ventricle related to?
Medulla
27
What is the name given to the largest collection of white matter?
Corpus Callosum
28
Label the Brain Diagram with Corpus Callosum, IV Foramen, Cingulate Gyrus, Fornix & Thalamus
See Word Doc
29
Where is Thalamus found?
Wall of 3rd ventricle
30
Label the CT similar to Q. 28
See Word Doc
31
Name the type of slice taken on Image 6
Coronal/Saggital
32
Name the 2 major parts of White Matter within Cerebral Hemisphere
Corona Radiata | Internal Capsule
33
What is the Internal Capsule?
White Matter Fibres Passing To/From Midbrain
34
Label Int Capsule, Putamen (& Globus Pallidus), Thalamus & Caudate Nucleus on Image 7
Word Doc
35
Now point to these structures on Image 6
Word Doc
36
What makes up the Lentiform Nucleus?
Putamen | Globus Pallidus
37
What is Amygdala?
End of the Tail of the Caudate Nucleus (Locate on Image 7)
38
What Type of Slice is Image 9? Label Image 9
Horizontal
39
Name the bulges of the midbrain. How many are there?
Cerebral peduncles. | 2.
40
Label the parts of the midbrain on Image 12.
Cerebral Aqueduct | Cerebral Peduncles
41
How many bulges does the Pons have?
1
42
What is the name of the Pons' peduncle?
Middle Cerebellar Peduncle
43
Label the features of the Pons on Image 13.
Include 4th Ventricle
44
How many Bulges in Medulla?
4
45
Label Image 14 - Features of the Medulla
Pyramids | Olives
46
What makes up the Pyramids of the Medulla?
White Matter
47
What side do most Cranial Nerves exit from?
Ventral
48
Where do most Cranial Nerves Emerge From? How many?
Brainstem. | 10.

CNS - Lucocq (6 decks)

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