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. Anatomical technology as applied to the domestic cat; an introduction to human, veterinary, and comparative anatomy. Cats; Dissection; Mammals. 284 ANATOMICAL TECHNOLOGY. Preparation—Fig. 80.—A cat which has been well fed five or six hours before death is best. The mesentery should be removed, and about 10 cm. of the small and the same length of the large intestine should be left with the caecum and ileo-ceecal valve. The contents of both large and small intestine should be carefully removed and the large intestine ligatured. Then both should be mod- erately distended by inject- ing 95 per c
. Anatomical technology as applied to the domestic cat; an introduction to human, veterinary, and comparative anatomy. Cats; Dissection; Mammals. 284 ANATOMICAL TECHNOLOGY. Preparation—Fig. 80.—A cat which has been well fed five or six hours before death is best. The mesentery should be removed, and about 10 cm. of the small and the same length of the large intestine should be left with the caecum and ileo-ceecal valve. The contents of both large and small intestine should be carefully removed and the large intestine ligatured. Then both should be mod- erately distended by inject- ing 95 per cent, alcohol into the small intestine. The latter should then be liga- tured and the whole put into 95 per cent, alcohol. After two to three days the walls may be removed with a sharp scalpel. Caecum, az.—See § 743, A. Colon, 02.—See § 743, B. Ileum, az.—See § 738. Sphincter, az.—See § 739. Villi.—See § 740, B. Valva ileo-caeca- lis, as.—Ileo-caecal valve. See § Fig. 80.—C^oum and iLEO-ciECAi, Valve, Ven- tral View ; x 1. § 739. Valva ileo-caeca- lis.—The ileo-csecal valve in the cat is quite unlike its homologue in man. In the cat it is a sphincter, composed of circu- lar muscular fibers like the pylorus, and like the pyloric valve it is partly formed by an annular fold of mucous membrane, which in the ileo-csecal valve projects into the large intestine (Fig. 80). The thickest part of the sphincter is about 1 cm. cephalad of the opening into the large intestine. The villi are not present caudad of this point, hence about 1 cm. of the mucous membrane of the small intestine of the cat is devoid of villi. § 740. Obvious Structure.—(A) Cut out two or three Bquare cm. of any part of the small intestine ; rinse it with water If necessary ; it will be seen to be composed of two obvious coats like the stomach (§ 736). (B) Villi intestinorum.—Put a fresh piece of intestine in a watch glass of water or normal salt solution, and look at the mucous s
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Keywords: ., bookcentury1800, bookd, booksubjectdissection, booksubjectmammals