CNS översikt Flashcards

1
Q

Vilka delar består CNS av?

A

HJÄRNAN/ENCEPHALON
cerebrum, diencephalon, truncus encephali (mesencephalon, pons, medulla oblongata), cerebellum
MEDULLA SPINALIS

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2
Q

Hjärnan?

A

Encephalon

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3
Q

Storhjärnan?

A

Cerebrum

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4
Q

Mellanhjärnan?

A

Diencephalon

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5
Q

Hjärnstammen och dess delar?

A

TRUNCUS ENCEPHALI, som består av:
mesencephalon, mitthjärnan
pons, bryggan
medulla oblongata, förlängda märgen

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6
Q

Lillhjärnan?

A

Cerebellum

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7
Q

Mitthjärnan?

A

Mesencephalon, del av truncus encephali

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8
Q

Bryggan?

A

Pons, del av truncus encephali

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9
Q

Förlängda märgen?

A

Medulla oblongata, del av encephali

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10
Q

Ryggmärgen?

A

Medulla spinalis

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11
Q

Vad är autonoma nervsystemet?

A

Den del som sker utom vår medvetna kontroll. Består av delar från både PNS och CNS. Uppdelat i sympaticus (fight or flight) och parasympaticus (rest and digest)

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12
Q

Vilka stödjeceller finns i CNS?

A

Oligodendrocyter - myeliniserar
Astrocyter - fysiskt och metabolt stöd. Blod-hjärn-barriären.
Ependymceller - kubiskt, cilierat epitel. Plexuschoroideus.
Microglia - fagocyterar.

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