Neuroanatomy 1 Flashcards

1
Q

Telencephalon develops into …

A

Cerebral hemisphere

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2
Q

Diencephalon develops into …

A

Thalamus, hypothalamus

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3
Q

Mesencephalon develops into…

A

Midbrain

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4
Q

Metencephalon develops into…

A

Pons, cerebellum

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5
Q

Myelencephalon develops into…

A

Medulla oblongata

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6
Q

What makes up the brainstem

A

Midbrain, pons and medulla

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7
Q

Another name for diencephalon

A

Hypothalamus

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8
Q

Are there more glial cells or neurones in the CNS?

A

Glial cells

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9
Q

This type of cell has roles in support, maintaining blood-brain barrier, environmental homeostasis

A

Astrocytes

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10
Q

Produce myelin in the CNS

A

Oligodendrocytes

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11
Q

These cells in the CNS are similar to macrophages (i.e. hemopoietic origin). Immune monitoring and antigen presentation

A

Microglia

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12
Q

CNS cell with hemopoietic origin

A

Microglia

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13
Q

In a resting state they have an elongated nucleus and a number of short, spiny cell processes. When activated, for example by a bacterial infection, they become rounder and take on an appearance similar to a macrophage

A

Microglia

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14
Q

What are ependymal cells? (CNS)

A

Ciliated cuboidal/columnar epithelium that lines the ventricles

(cells generally don’t form barrier between the CSF and brain tissue)

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15
Q

What is a folium? (Plural folia)

A

Equivalent to a gyrus in the cerebellum

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16
Q

Huge numbers of neurons, cell processes, synapses and support cells

A

Gray matter

17
Q

This part of brain is filled with axons (mostly myelinated) and their support cells

A

White matter

18
Q

Ventral

A

Anterior

19
Q

Dorsal

A

Posterior

20
Q

Another name for the lateral fissure?

A

Sylvian fissure

21
Q

What is the corpus collosum?

A

Band of nerve fibres joining the 2 cerebral hemispheres together

22
Q

3 major sulci in the medial view of the brain?

A
  • Parieto-occipital sulcus
  • Calcarine sulcus
  • Cingulate sulcus
23
Q

A triangular area in the brain between the hippocampus and hypothalamus?

A

Fornix

24
Q

Large lobe anterior to the central sulcus and superior to the lateral sulcus

A

Frontal lobe

25
Q

This gland makes melatonin

A

Pineal gland

26
Q

Posterior to the central sulcus, superior to the lateral sulcus and anterior to a line drawn from the parieto-occipital sulcus to the preoccipital notch

A

Parietal lobe

27
Q

Posterior to the frontal lobe and anterior to the parieto-occipital sulcus

A

Parietal lobe

28
Q

Posterior to a line drawn from the parieto-occipital sulcus to the preoccipital notch

A

Occipital lobe

29
Q

Posterior to the parieto-occipital sulcus

A

Occipital lobe

30
Q

Inferior to the lateral sulcus

-Posterior border is line from parieto-occipital sulcus to the preoccipital notch

A

Temporal lobe

31
Q

How does the temporal lobe extend medially?

A

Extends from the temporal pole to a line drawn between the pre-occipital notch and the anterior end of the calcarine sulcus

32
Q

Portion of the cerebral cortex hidden deep within the lateral fissure
-important in experience of pain

A

Insula

33
Q

Midline ventricles

A

3 and 4

34
Q

Largest branch of the internal carotid artery

A

Middle cerebral artery

35
Q

Through which foramen do the dural venous sinuses drain into the internal jugular vein?

A

Jugular foramen

36
Q

Why is the jugular foramen important in terms of venous drainage?

A

Jugular foramen: the dural venous sinuses drain into the internal jugular vein