H2.2: Ontwikkeling van het zenuwstelsel Flashcards

1
Q

Centraal zenuwstelsel splitst in:

A

Ruggenmerg
Hersenen

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2
Q

Hersenen splitst in:

A

Prosencephalon (voorhersenen)
Mesencephalon (middenhersenen)
Rhombencephalon (achterhersenen)

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3
Q

Prosencephalon (voorhersenen) splitst op in:

A

Telencephalon
Diencephalon (tussenhersenen)

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4
Q

Telencephalon splitst op in:

A

Cerebrale cortex
Basala ganglia
Hippocampus
Amygdala

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5
Q

Diencephalon (tussenhersenen) splitst op in:

A

Thalamus en hypothalamus

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6
Q

Mesencephalon (middenhersenen) splitst op in:

A

Tectum
Tegmentum

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7
Q

Rhombencephalon (achterhersenen) splitst op in:

A

Metencephalon (achterhersenen)
Myelencephalon (merghersenen)

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8
Q

Metencephalon (achterhersenen) splitst op in:

A

Pons
Cerebellum

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9
Q

Myelencephalon splitst op in:

A

Medulla

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10
Q

Perifeer zenuwstelsel splitst op in:

A

Autonoom
Somatisch

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11
Q

Autonoom zenuwstelsel splitst op in:

A

Sympatisch
Parasympatisch

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12
Q

Twee stappen ontwikkeling cortex

A
  1. Symmetrische delingsfase
  2. Asymmetrische delingsfase
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13
Q

Symmetrische delingsfase

A

Splitsing in twee nieuwe progenitorcellen
Enkel migratie over korte afstanden

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14
Q

Asymmetrische delingsfase

A

Vanaf 7de eeuw week na conceptie
Splitsing in één progenitorcel
Radiale glia

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15
Q

Radiale glia

A

Steuncellen
Belangrijke cellen voor migratie
Eerst gevormd in asymmetrische fase

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16
Q

Myeliniseren

A

Vezels krijgen een isolatielaagje zodat de connectie tussen twee neuronen sneller verloopt