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Neuroanatomie > Substanța Reticulată > Flashcards

Substanța Reticulată Flashcards

1
Q

Unde este situata s. reticulata la nivelul TC?

A

tegment

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2
Q

Ce neuroni prezinta grupul A

A

dopaminergici, noradrenergici

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3
Q

Ce neuroni prezinta grupul B

A

serotoninergici

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4
Q

Ce neuroni prezinta grupul C?

A

adrenergici

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5
Q

Ce neuroni prezinta grupul Ch

A

colinergici

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6
Q

Ce nuclei gasim in coloana mediana

A

nucleii rafeului

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7
Q

Ce neurotransmitator gasim in nucleii rafeului

A

serotonina

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8
Q

Ce functii are coloana mediana?

A

somn, mecanism analgezic (functii explicate de actiunea inhibitorie pe care o are coloana mediana asupra SNC)

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9
Q

In ce zona se gasesc nucleii centrali?

A

zona mediala

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10
Q

Cine formeaza SRAA?

A

fibrele ascendente ale ncl centrali (care mai transmit si spre hipotalamus)

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11
Q

Ce aferente primeste SRAA de la TC?

A

lemnisc trigeminal, ncl vestibulari, cohleari

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12
Q

Nucleii precerebelosi

A

nuclei din zona paramediana si ncl lateral retic

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13
Q

Functie a zonei paramediene

A

activitate motorie complexa

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14
Q

In coloana laterala ce grup de neuroni NU crezi ca gasim (dpdv al neurotransmitatorului)

A

grup B serotoninergici

+ dopaminergici (din grupul A)

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15
Q

Functii coloana laterala

A

regleaza activitatea vicerala, mentinerea atentiei, memorie, act motorii complexe

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16
Q

Ce face fasciculul reticulospinal medial?

A

Stimulează musculatura extensoare și inhibă musculatura flexoare a musculaturii axiale și proximale a membrelor

17
Q

Spre ce nuclei trimite SRAA impulsuri (ascendent)?

A

Nucleii intralaminari talamici

18
Q

Din care circuit fac parte nucleii precerebeloși?

A

Circuitul cortioco-ponto-cerebro-talamo-cortical

19
Q

Ce mușchi sunt inervați de fibre reticulospinale din centrul respirator, cât și din cel expirator?

A

Mușchii intercostali

Neuroanatomie (19 decks)

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