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Keywords from Image Description:
Cuarto ventrculo. fr Schma reprsentant le plancher du cjuatrime ventricule XX limites sparatives du triangle bul baire et du triangle protubrantiel angle antrieur angle postrieur angles latraux bords antrieurs bords postrieurs tige du cala raus aile blanche interne aile blanche externe aile grise enii ncnlia