Deck 4 Flashcards

1
Q

Name some functions of the cerebellum?

A
  • Regulation of muscle movements, muscle tone and posture.
  • Conversion of vestibular stimuli into movements
  • balance
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2
Q

Which artery gives rise to the vertebral artery?

A

Subclavian artery

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3
Q

Which direct branch of the internal carotid artery supplies the
largest part of the superolateral surface of cerebral cortex?

A

Middle cerebral artery

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4
Q

Which direct branch of the internal carotid artery supplies the
largest part of medial surface of cerebral cortex?

A

Anterior cerebral artery

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5
Q

Name three areas of the brain which are devoid of blood-brain
barrier?

A

Area Postrema

Median Eminence (Hypothalamus)

Pineal gland

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6
Q

What are the names of (both potential and real) spaces between
the layers of the cranial meninges?

A

Epidural space(real), subdural space(potential), subarachnoid
space(real)

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7
Q

Which diencephalic structures are parts of the Papez circuit?

A

Mammillary body; Anterior thalamic nuclei

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8
Q

What are the functions of the limbic system?

A

Emotions, behavior, memory

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9
Q

What brain areas are connected by the fornix?

A

mammillary bodies
Septal nuclei
hippocampus
Anterior thalamic nuclei

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10
Q

What are the choroid plexuses? What are their function?

A

a plexus of cells that arises from the tela choroidea in each of the ventricles of the brain.

Invagination of the vascular pia mater into the ventricles that produce CSF.

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11
Q

What are the layers of the meninges?

A

Dura mater, Arachnoid mater, pia mater

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12
Q

Where does the absorption of CSF take place? Which
anatomical structures are involved in this process?

A

From the subarachnoidal space into the superior sagittal sinuses.
Arachnoid granulations (Pacchionian granulations) are involved.

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13
Q

What is the interpretation of the allocortex?

A

The allocortex is a region of the cerebral cortex that has three layers

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14
Q

What is the interpretation of the isocortex?

A

Also called neocortex. It is characterized by having 6 cell layers.

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15
Q

Which artery passes through the cavernous sinus?

A

Internal carotid artery

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16
Q

What brain areas does basilar artery supply?

A

Brainstem

Cerebellum

Inner Ear

Occipital Lobes and Inferior Temporal Lobes

Thalamus and Hypothalamus

17
Q

Name three association fiber systems of the telencephalon?

A

Superior Longitudinal Fasciculus

Inferior Longitudinal Fasciculus

Cingulum

18
Q

Which mesencephalic area contains the highest density of
dopaminergic neurons?

A

Substantia nigra

19
Q

What is the function of the area postrema?

A

Chemical vomiting centre

20
Q

Which anatomical/physiological system includes the Papez
circuit?

A

Limbic system

21
Q

Name three commissural fiber systems of the telencephalon?

A

Corpus Callosum

Anterior Commissure

Posterior Commissure