. Quain's elements of anatomy . 864 THE BLOOD-VASCULAR SYSTEM. right and left di^dsions of the cavity, reaches at last the base, Avhere it isplaced in relation with both the auriculo-ventricular orifice and the rootof the arterial bulb; but at this place there remains for a time a com-munication over the still free border of the septum between the rightand left ventricles, which is interesting, as this is the seat of theabnormal communication between the right and left ventricles in almost,all cases of malformation of the heart presenting that condition. Division of the Auricles.—Although the


. Quain's elements of anatomy . 864 THE BLOOD-VASCULAR SYSTEM. right and left di^dsions of the cavity, reaches at last the base, Avhere it isplaced in relation with both the auriculo-ventricular orifice and the rootof the arterial bulb; but at this place there remains for a time a com-munication over the still free border of the septum between the rightand left ventricles, which is interesting, as this is the seat of theabnormal communication between the right and left ventricles in almost,all cases of malformation of the heart presenting that condition. Division of the Auricles.—Although the auricular cavity _ presentsexternally some appearance of being divided into two at a period ante-cedent to the partition of the ventricles, in consequence of the forma-tion of the right and left auricular appendages before mentioned, the Fig. 776. Fig.


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Keywords: ., boo, bookcentury1800, booksubjectanatomy, booksubjecthumananatomy