. Diseases of the dog and their treatment. body andhas five branches on either side, which are intertwined. The eggs areirregularly round and enveloped in a tough thick shell. The bladderworm of the taenia marginata is the cysticercus tenuicoUis, and is foundin the serous tissues of the sheep, cow, goat, pig, squirrel, and monkeyin captivity, and occasionally in man (Dewitz). Frequently we findthe cysticercus on the peritoneum and liver of the sheep and pig, vary-ing in size from a pea to the size of a mans fist. Taenia Cucumerina (Dipylidium Caninum) (Fig. 44).—This is asmall taenia 10 to 40
. Diseases of the dog and their treatment. body andhas five branches on either side, which are intertwined. The eggs areirregularly round and enveloped in a tough thick shell. The bladderworm of the taenia marginata is the cysticercus tenuicoUis, and is foundin the serous tissues of the sheep, cow, goat, pig, squirrel, and monkeyin captivity, and occasionally in man (Dewitz). Frequently we findthe cysticercus on the peritoneum and liver of the sheep and pig, vary-ing in size from a pea to the size of a mans fist. Taenia Cucumerina (Dipylidium Caninum) (Fig. 44).—This is asmall taenia 10 to 40 cm. long and 3 mm. wide. It has a small elongatedhead, with sixty hooks with a retracted mouth or proboscis; the seg- 88 DISEASES OF THE DIGESTIVE APPARATUS merits are rounded at the corners and are the shape of a cucumber, hencethe name, and have a small sexual orifice at each end. The individualsections are about 8 to 10 mm. long and 3 mm. wide. These segments areeasily detachable, and are reddish-pink in color. This coloration is due. Fig. 45.—Tirnia coenurus. to the color of the shell of the egg. The uterus is irregular, with double-shelled, rounded eggs, six to fifteen massed together in elongated primary stage of this taenia which is very common in the dog, is inthe abdominal cavity of the dog-louse (trichodectes canis) (Metchnikoff) TAENIA 89 and also in the common dog-flea (ccrtopsyllus canis) and in the flea ofman (pulcx iiTitans). Taenia Coenurus (Fig, 45).—This taenia is generally about 40 , although in rare instances it may be 1 m. It has a small pear-shaped head, with twenty-four to thirty hooks and four sucking anterior links of the colony are always very short, and those atthe extreme end are elongated and narrow, 7 to 13 mm. long and 3 wide, white and shaped like a cucumber seed. The uterus has a longcentral body, wath eighteen to twenty-six side branches. The eggshave a hard shell, elliptical and 30 to 30 mm. diameter wi
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdo, booksubjecthorses
