3.1.2 Moelle épinière Flashcards

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1
Q

Définition moelle épinière

A

Prolongement de l’encéphale qui s’arrête au milieu du dos

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2
Q

Structure

A

31 segments chacun à l’origine d’une paire de nerfs cérébro-spinaux

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3
Q

Substance au centre

A

Substance grise

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4
Q

Substance en périphérie

A

Substance blanche

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5
Q

Substance grise

A

Forme des cornes

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6
Q

Substance blanche

A

Forme des cordons de faisceaux

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7
Q

Contenu du centre

A

Canal central dans lequel circule du LCR

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8
Q

Fonctions de la moelle épinière

A

Conduction des influx nerveux sensitifs et moteurs, déclenchement de réflexes

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9
Q

3 couches de protection

A

Colonne vertébrale, méninges et le LCR

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