. Anatomical technology as applied to the domestic cat; an introduction to human, veterinary, and comparative anatomy. Cats; Dissection; Mammals. THE HEART. 317 were injected with red and blue plaster respectively. After the plas- ter had hardened, a small hole was made in the left ventricle and a long canula inserted and pushed through the auriculo-ventricular opening into the left auricle. Red plaster was then injected so as to fill the pulmonary veins. Finally, the pericardium was removed together with the fat and connective tissue covering the cardiac vessels. § 835. Description.âThis, th
. Anatomical technology as applied to the domestic cat; an introduction to human, veterinary, and comparative anatomy. Cats; Dissection; Mammals. THE HEART. 317 were injected with red and blue plaster respectively. After the plas- ter had hardened, a small hole was made in the left ventricle and a long canula inserted and pushed through the auriculo-ventricular opening into the left auricle. Red plaster was then injected so as to fill the pulmonary veins. Finally, the pericardium was removed together with the fat and connective tissue covering the cardiac vessels. § 835. Description.âThis, the dorsal or " posterior " aspect of the heart, is less famil- iar to most persons and less frequently represented. It is, however, much more compre- hensive and instructive than the ventral aspect, and is given in the following works : Quain, A, II, Fig. 166; Smith, E. N., A, PI. 55 ; McAl- pine, B, PI. XXIII, Fig. 3 (rabbit); Gegenbaur (Lankester), A, Fig. 336 (pig). The present figure fairly represents the size of a somewhat large heart, and its form when injected. As stated, however, in § 839, it is probable that the less thickness of the lateral wall of the right ventricle has permitted it to yield to the force of the injection so that the right side is unduly convex. The word ventriculi is written across the apex of the ventricular portion, and the abbre- viation V. crd. is just below the furrow between â that and the auricular portion. For the sake of showing certain parts more distinctly, the figure represents the organ as if rotated slightly upon its longer axis so as to ex- pose more of the right than of the left side. The line of demarcation between the right and left auricles {Aur. dxt., Aur. sin.) coincides nearly with a line connecting the V. of V. crd. vrith the left borderof the prcRcaxsa. The ductus arteriosus (§ 867) is not shown. § 836. General Description of the Heart.â The heart is a hollow, quadrilocular (four cham- bered) muscular o
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