. A treatise on nervous and mental diseases, for students and practitioners of medicine. Drawing of an artery of the cortex. Magnified 360 diameters. arise nutritive vessels which pass perpendicularly into the cerebralsubstance. (Fig. 53.) There is a diiferenee of opinion betweenHeubner and Duret as to whether the areas to which these arterioles ANATOMY. 73 are distributed communicate with each other, Heubner contendiDgthat they are couuected by small vessels of the calibre of a millimetre, Fig. Outer surface of the left hemisphere. {After Duret.)Distribution of Vessels. The region bounde
. A treatise on nervous and mental diseases, for students and practitioners of medicine. Drawing of an artery of the cortex. Magnified 360 diameters. arise nutritive vessels which pass perpendicularly into the cerebralsubstance. (Fig. 53.) There is a diiferenee of opinion betweenHeubner and Duret as to whether the areas to which these arterioles ANATOMY. 73 are distributed communicate with each other, Heubner contendiDgthat they are couuected by small vessels of the calibre of a millimetre, Fig. Outer surface of the left hemisphere. {After Duret.)Distribution of Vessels. The region bounded by the line ( ) represents the territory over which branches of the anterior cerebral artery are distributed. The anterior regions bounded by the line ( ) represent the territories over which branches of the middle cerebral artery are Is the region of the external and inferior frontal Is the region of the anterior parietal artery. III. Is the region of the posterior parietal artery. IV. Is the region of the parieto-sphenoidal artery. The posterior and inferior region bounded by the line ( ) represents the territory over which branches of the posterior cerebral artery are distributed. Fissures and Frontal lobe. P. Parietal lobe. 0. Occipital lobe. T. Temporo-sphenoidal ;S. Fissure of Sylvius; S, horizontal; S, ascending ramus of the same. c. Sulcuscentralis or fissure of Rolando. A. Anterior central or ascending frontal Posteri
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