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Neuro > Neuroanatomy 1 > Flashcards

Neuroanatomy 1 Flashcards

1
Q

What is the PNS

A

Peripheral nervous system Any thing outside of the Dura mater

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2
Q

What is included in the CNS

A

The brain and spinal cord anything in the dura mater

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3
Q

What is the mesencephalon

A

Midbrain

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4
Q

What makes up the forebrain

A

The telencephalon and the diencephalon

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5
Q

What is the prosencephalon

A

The forebrain

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6
Q

What is in the grey matter of the brain

A

Neurones, fibres and branches for communication, synapses

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7
Q

Why is white matter seen as a white colour

A

Myelin is a fatty white substance which is wrapped around axons found in the white matter

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8
Q

What is the role of white matter

A

The cabling of the brain to carry impulses to one part of the nervous system to the other

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9
Q

Where are association fibres found

A

Association fibres stay within one hemisphere and communicate information within that one hemisphere

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10
Q

What is a fasciculus

A

A bundle of association fibres within a hemisphere

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11
Q

What are comicural fibres

A

They are fibres which cross between the 2 hemispheres to communicate information

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12
Q

What is the main commissural fibres

A

The corpus callosum

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13
Q

What is an example of projection fibres

A

Internal capsules

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14
Q

What is the role of projection fibres

A

They communicate information from the spinal cord to the brain hemispheres

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15
Q

What splits the frontal and parietal lobe

A

Central sulcus

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16
Q

What splits the frontal and parietal lobe from the temporal lobe

A

The lateral sulcus

17
Q

What splits the 2 hemispheres

A

The longitudinal fissure

18
Q

Where is the insula found

A

In the lateral fissure

19
Q

What is the function of the insula

A

Disgust
Emotion
Homeostasis
Perception
Motor control
Self-awareness
Cognitive functioning
Interpersonal experience

20
Q

What is the role of the frontal lobes

A

Motor function
Problem solving
Memory
Judgement
Impulse control
Higher cognitive function
Language
Executive function

21
Q

Which is the deepest and longest sulcus in the brain

A

The central sulcus

22
Q

Where is the motor cortex found

A

The back of the frontal lobe in the pre central gyrus

23
Q

What is found in the motor cortex

A

Upper motor neurones

24
Q

What is the function of the temporal lobe

A

Semantic processing (the meaning and identity of things)
Memory
Language
Primary auditory cortex

25
Q

What is the function of the parietal lobes

A

Somatosensory
The dominant left side is for perception, language and mathematics
The non dominant right side for visuospatial function

26
Q

What is the function of the occipital lobes

A

Visual

27
Q

How many layers does the neocortex have

A

6 layers

28
Q

Where is the primary visual cortex found

A

In the calcarine fissure

29
Q

What can the primary visual cortex also be called

A

The striate cortex

30
Q

Where does the 2nd layer of the neocortex have input from

A

The 2nd layer has input from other cortical areas of the brain

31
Q

Where does the 3rd layer of the neocortex send projections to

A

The 3rd layer sends projections to other cortical areas of the brain

32
Q

Where does the 4th layer of the neocortex receive inputs from

A

The 4th layer receives inputs from the thalamus

33
Q

Where does the 5th layer of the neocortex send projections to

A

The 5th layer sends projections to the brain stem and spinal cord

34
Q

Where does the 6th layer of the neocortex send projections to

A

The 6th layer sends projections to the thalamus

35
Q

What is the frontal petalia

A

This is where the frontal lobe of the right hemisphere projects forward more than the left

36
Q

What is the occipital Patalia

A

This is where the occipital lobe of the left hemisphere projects backwards more than the right side

37
Q

What are the coverings of the brain from most superficial inwards

A

Skin
Bone
Dura mater
Arachnoid mater
Trabeculae
Subarachnoid space
Pia mater

38
Q

How is the brain cavity seperated

A

By in-folds of the dura mater (dural folds)

39
Q

What are sinuses in the brain for

A

To collect used blood and direct it back to the heart to become oxygenated again

Neuro (17 decks)

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