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MBB- CNS Flashcards

1
Q

Forebrain vesicle (Prosencephalon)

A
  • Telencephalon

- Diencephalon

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2
Q

Midbrain

A

Mesencephalon

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3
Q

Hindbrain (Rhombencephalon)

A
  • Metencephalon

- Myelencephalon

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4
Q

Telencephalon

A

2 cerebral hemispheres and basal ganglia

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5
Q

Diencephalon

A 
Thalamus
Epithalamus-Pineal gland
Hipothalamus
Subthalamus
-Optic nerve
-Retina
-Post. Pituitary
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6
Q

Metencephalon

A

Pons and Cerebellum

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7
Q

Myelencephalon

A

Medulla oblongata

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8
Q

Cranial Neuropore closes at…?

A

25th day intrauterine life

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9
Q

Inside CNS cell bodies derive from?

A

Neural Tube

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10
Q

Cells bodies outside CNS

A

PNS=Ganglia (Neural crest cells)

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11
Q

Glial tissues inside CNS

A

Astrocytes (neural tube derivative)

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12
Q

Olygodendrocytes

A

Myelination inside CNS (neural tube)

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13
Q

Outside CNS

A

Myelination -Schwann cells (derived of neural crest cells)

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14
Q

Spinal cord (ventral root)

A

Motor fibers (neural tube)

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15
Q

Spinal cord (Dorsal root)

A

sensory (neural crest cells)

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16
Q

Function of Microglial cells?

A

“cleaning” CNS

  • Phagocytosis
  • derived from mesenchyme
17
Q

Mesenchyme- Meninges

A

Dura Mater

18
Q

Arachnoid and Pia are…

A

Leptomeninges derived from Neural crest cells

19
Q

Nervous System

A

CNS and PNS

20
Q

PNS is divided in…

A
  • Sensory
  • Somatic
  • ANS
21
Q

In Sensory we have…

A

general sensation and special sensation

22
Q

General sensation

A

Touch, pain (somato-motor sensation)

23
Q

special sensation composed by…

A

vision, taste, hearing (not in our control)= PNS

24
Q

Autonomic is divided by…

A
  • Sympathetic

- Parasympathetic

25
Q

Sympathetic is…

A

Thoraco-lumbar outflow (T1-L2)

-Pregaglionic cells bodies present only in those spinal segments along with ventral, dorsal and lateral horn

26
Q

Mention 2 types of cells

A
  • Nerve cells

- Glial cells

27
Q

What Glial cells do?

A

insulation (Protection)

28
Q

Anterograde “normal process” transport of proteins are carry out by…

29
Q

Retrograde transport

30
Q

Nerves cells divided based upon…

31
Q

A-polar cells

A
  • No Axon/no dendrites
  • Chromaffin cells (found in Adrenal Medulla)
  • Post-gaglionic sympathetic cells
  • Derived from Neural crest cells
32
Q

Pseudounipolar neurons

A
  • Dorsal Root Ganglia
  • In human being
  • 1 axon/ 1 dendrite
33
Q

Multipolar neurons

A
  • Interneurons “connecting neurons”
  • Quick response for any action
  • B/t Motor and Sensory
  • One Axon/ many Dendrites
34
Q

Bipolar neurons

A
  • Present in areas prone for damage
  • Olfactory epithelium
  • Retinal cells
  • Vestibulo-cochlear cells
35
Q

Golgi (Type I) neurons

A
  • Very long axon

- Saphenous nerve (cutaneous)

36
Q

Golgi (type II)

A

interneurons

-very short (b/t sensory and motor neurons)

MBB (5 decks)

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