. The comparative anatomy of the domesticated animals. Horses; Veterinary anatomy. 594 CTRCULATOBT APPARATUS. axis of the ventricles. It is from the apposition of the right and left systemB that the ventricular septum is formed. J. Unitive fibres of the ventricles.—These are disposed as an external shell enveloping the proper fibres. They leave the fibrous zones at the base of the heart, and descend towards its apex : those of the right side, by inclining forward; the anterior, in following the direction of the great axis of the ventricles; those of the left face, by directing their course dow
. The comparative anatomy of the domesticated animals. Horses; Veterinary anatomy. 594 CTRCULATOBT APPARATUS. axis of the ventricles. It is from the apposition of the right and left systemB that the ventricular septum is formed. J. Unitive fibres of the ventricles.—These are disposed as an external shell enveloping the proper fibres. They leave the fibrous zones at the base of the heart, and descend towards its apex : those of the right side, by inclining forward; the anterior, in following the direction of the great axis of the ventricles; those of the left face, by directing their course downwards and backwards; and the posterior, in rolling themselves from left to right around the left ventricle. On arriving near the point of the heart, they turn from left to right, and before to behind, in forming a spiral twist; then they are reflected from below upwards, to enter the inferior extremity of the ventricles, on the internal face of the proper fibres of which they spread and ascend to the fibrous zones at the base of the heart, where they terminate. Some of these reflected fibres are disposed in relief, to constitute the columnar carneaB, and reach the Fig. 356. Fig. ANASTOMOSING I\IUS- CULAR FIBRES OF Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Chauveau, A. (Auguste), 1827-1917; Arloing, S. (Saturnin), 1846-1911; Fleming, George, 1833-1901. New York : Appleton
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