Lecture 2 Flashcards

1
Q

What does the CNS consist of?

A

Spinal cord and Brain

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2
Q

What does the PNS consist of?

A

12 cranial nerves and 31 spinal nerves

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3
Q

What does the somatic nervous system respond to?

A

External environment

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4
Q

What does the somatic nervous system supply?

A

Everything other than the organs

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5
Q

Where are sensory nerves from?

A

Skin, bones and joint

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6
Q

Where are motor nerves from?

A

Skeletal muscle

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7
Q

What does the autonomic nervous system respond to?

A

Internal environment

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8
Q

What are the three initial swellings of the brain?

A

Prosencephalon, mesencephalon and rhombencephalon

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9
Q

What are the five swelling later on in development of the brain?

A

Telencephalon, Diencephalon, mesencephalon, metencephalon and mylencephalon

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10
Q

What swellings are associated with the procencephalon?

A

Telencephalon and Diencephalon

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11
Q

What swellings are associated with the Rhombencephalon?

A

Metencephalon and Mylencephalon

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12
Q

What are the derivatives of the Telencephalon?

A

Cerebral hemispheres

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13
Q

What are the derivatives of the Diencephalon?

A

Thalamus and hypothalamus

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14
Q

What are the derivatives of the Mesencephalon?

A

Midbrain

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15
Q

What are the derivatives of the Metencephalon?

A

Pons and cerebellum

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16
Q

What are the derivatives of the Myelencephalon?

A

Medulla Oblongata

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17
Q

What cavities are associated with Telencephalon?

A

Lateral ventricles

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18
Q

What cavities are associated with Diencephalon?

A

Third ventricle

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19
Q

What cavities are associated with Mesencephalon?

A

Cerebral aqueduct

20
Q

What cavities are associated with Metencephalon?

A

Fourth ventricle

21
Q

What cavities are associated with Myelencphalon?

A

Fourth ventricle

22
Q

What makes up the brainstem?

A

Midbrain, pons and medulla oblongata

23
Q

What are the three grey matter structures located in the deep cerebral hemispheres?

A

Caduate nucleus, thalamus and putamen

24
Q

What is the white matter tract between the spinal cord and cerebral hemispheres?

A

Internal capsule

25
Q

What are the lobes of the brain?

A

Frontal, parietal, occipital and temporal

26
Q

What is the lobe sitting under the temporal lobe?

A

Insula lobe

27
Q

What separates the frontal lobe and parietal lobe?

A

Central sulcus

28
Q

What separates the two hemispheres?

A

Longitudinal cerebral fissure

29
Q

What separates the parietal lobe and temporal lobe?

A

Lateral sulcus

30
Q

What makes up the lentiform nucleus?

A

Putamen and globus pallidus

31
Q

Internal capsule separates?

A

Lentiform nucleus and thalamus

32
Q

What are numerous short bundles of fibres that connect adjacent gyri?

A

Arcuate fibres

33
Q

What fibres connect the frontal lobe with parts of the parietal, temporal and occipital lobes?

A

Superior longitudinal fasciculus

34
Q

What connects the temporal lobe, cingulate gyrus and septal area?

A

Cingulum fibres

35
Q

What is the largest white matter structure in the brain?

A

Corpus callosum

36
Q

What is the main connection between the hemispheres?

A

Corpus callosum

37
Q

What are the bundle of axons found posterior to the rostrum of the corpus callosum?

A

Anterior commissure fibres

38
Q

What provides additional communication between the left and right temporal lobes?

A

Anterior commissure fibres

39
Q

What are the different parts of the internal capsule?

A

Anterior limb, genu, posterior limb and retrolentiform part

40
Q

What is the corona radiata?

A

The internal capsule fibres fan out to all parts of the cortex

41
Q

Where does a somatic sensory neuron live?

A

Dorsal root ganglion

42
Q

Where does a somatic motor neurone live?

A

Dorsal horn of the spinal cord

43
Q

Function of the cerebellum?

A

Coordinate movement

44
Q

Function of the thalamus?

A

Acts as a relay station for sensory information coming from periphery and going to cortex

45
Q

Function of the brainstem?

A

Houses most of the cells associated with the cranial nerves