The hygiene of transmissible diseases; their causation, modes of dissemination, and methods of prevention . Hog (Cyst. -CeU.)Fig. 32.—Life cycle and intermediate hosts of taenia solium (after Bollinger). ing the part of intermediate host. Under these circumstancesthe larvae do not come to maturity, but remain in the muscles. Fig. 33.—Head of t;enia saginata. A, neck retracted; Ji, neck extended(after Leuckart). and organs, there to cause little or no inconvenience ; or, whenvery numerous, to give to more or less grave symptoms,according to their locality. DISEASES DUE TO ANIMAL PARASITES
The hygiene of transmissible diseases; their causation, modes of dissemination, and methods of prevention . Hog (Cyst. -CeU.)Fig. 32.—Life cycle and intermediate hosts of taenia solium (after Bollinger). ing the part of intermediate host. Under these circumstancesthe larvae do not come to maturity, but remain in the muscles. Fig. 33.—Head of t;enia saginata. A, neck retracted; Ji, neck extended(after Leuckart). and organs, there to cause little or no inconvenience ; or, whenvery numerous, to give to more or less grave symptoms,according to their locality. DISEASES DUE TO ANIMAL PARASITES. 237 Occasionally this accident occurs in persons already sup-porting a mature worm, the segments of which are passedinto the stomach during attacks of vomiting, there to liberateembryos that penetrate into the muscles and viscera. Taenia Saginata or Mediocanellata {Beef Tape-worm).—This is the largest tape-worm encountered in man, being oftenas much as 20 to 25 feet long and consisting of from 1000 to1500 segments. The mature segments measure from 17 to20 mm. ( inch) in length, and from 5 to 7 mm. (
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Keywords: ., bookcentury1800, bookdecade1890, booksubject, booksubjectdiseases
