Trunchiul cerebral- Puntea lui Varolio Flashcards

1
Q

Ce reprezinta Puntea?

A

Segmentul mijlociu al trunchiului cerebral, situat intre bulb si pedunchulii cerebral

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2
Q

Ce forma are puntea?

A

Forma unei benzi de substanta nervoasa de 3 cm, dispusa transversal intre cele doua emisfere cerebeloase

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3
Q

Configuratie externa?

A

Prezinta doua fete: antero-laterala si posterioasa - se observa continuarea ventriculului 4 de pe bulbul rahidian

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4
Q

Structura interna?

A

Substanta cenusie-interior si substanta alba- exterior

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5
Q

Ce formeaza substanta cenusie

A

Formeaza nucleii puntii-motori, senzitivi, vegetativi, proprii

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6
Q

Din ce este formata substanta alba?

A

Din fibre longitudinale, ascendente si descendente si fibre transversale- alcatuiesc pedunculii cerebelosi mijlocii langa puntea de legand puntea de cerebel

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