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Face interne : 3 replis complétant le cloisonnement de la cavité crânienne et maintenant en place les diverses parties de l’encéphale.o Faux du cerveau = cloison médiane dans la fissure longitudinale du cerveau▪ Bord dorsal :• Convexe• Adhère à crête sagittale interne• Creusé d’un sinus sagittal dorsal (veineux)▪ Bord ventral :• Libre + concave + mince• Se projette à faible distance du corps calleux• Creusé d’un sinus sagittal ventral▪ Terminaison : au confluent des sinus, creusé à la jonction de la faux du cerveau et de la tente du cerveleto Tente du cervelet : = repli transversal : sépare cervelet et pôle occipital des hémisphères cérébraux → occupe la fissure transverse du cerveau▪ Se compose de deux lames latérales droite et gauche (obliques ventro-crânialement)▪ Bord dorsal :• S’insère sur la protubérance occipitale interne + tentorium osseum (crête cérébro-cérébelleuse)• Loge le sinus transverse (draine le confluent des sinus et se rend au sinus temporal)▪ Bord ventral : circonscrit l’incisure de la tente = ouverture cérébrocérébelleuse → passage du tronc cérébralo Tente de l’hypophyse = lame circulaire attachée au pourtour de la selle turcique▪ Perforée rostralement = passage de la tige de l’hypophyse

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