MD- neuroanatomie Flashcards

1
Q

creierul mare cuprinde ce

A

telencefal si diencefal

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2
Q

ce cuprinde telencefalul

A

cortexul

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3
Q

cum e organizata subst cenusie in creier

A

scoarta, nuclei/ganglioni bazali

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4
Q

cat % e encefalul din masa corpului

A

sub 2%

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5
Q

ce formeaza neuronii extranevraxiali cu aceeasi functie, forma

A

ganglioni

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6
Q

prin ce sunt conectatati neuronii SNC?

A

fascicule/tracturi

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7
Q

la nivel medular, ce formeaza mai multe tracturi?

A

coloane/funiculi

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8
Q

ce fel de conexiuni sunt comisurile?

A

orizontale/laterale. tracturile sunt ascendente sau descendente

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9
Q

la ce se refera simetria sis nervos?

A

faptul ca este bilateral simetric la toate nivelurile, desi unele functii corticale inalte sunt dominante numai intr o jumatate (limbaj)

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10
Q

caror molecule extracelulare de ghidaj se datoreaza cresterea axonilor?

A

netrine si semaforine

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11
Q

ce neuroni sunt in general mai mari

A

cei motori, cei cu axoni mai lungi

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12
Q

ce caracteristici morfologice deosebite are segmentul proximal al axonului?

A

o densitate crescuta a canalelor de Na
actioneaza ca un trigger, care transmite impulsul de a lungul axonului, pana in portiunile terminale

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13
Q

ce fel de neurotransmitatori contin veziculele plate?

A

mediatiori inhibitori

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14
Q

ce contin veziculele cu centru dens?

A

catecolamine

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