The endemic diseases of the southern states . Fig. 115.—Ovum of trichuris trichiura, enlarged. Infections have been found from the age of less than threemonths until old age. Stiles and Garrison- collected fromthe literature a number of cases, which fall according to age inthe following limits: 0-15 years 4°° iS-3° years 41 30-50 years 66 More than 50 years 16 Besides in man the whip-worm is found in certain monkeysand lemurs. No intermediate host is necessary in the propagation ofinfection, the partially developed ova being swallowed withcontaminated water or food. The whip-worm has a thick c
The endemic diseases of the southern states . Fig. 115.—Ovum of trichuris trichiura, enlarged. Infections have been found from the age of less than threemonths until old age. Stiles and Garrison- collected fromthe literature a number of cases, which fall according to age inthe following limits: 0-15 years 4°° iS-3° years 41 30-50 years 66 More than 50 years 16 Besides in man the whip-worm is found in certain monkeysand lemurs. No intermediate host is necessary in the propagation ofinfection, the partially developed ova being swallowed withcontaminated water or food. The whip-worm has a thick club-shaped body which tapersradially into the long thread-like neck. The male is 40—45 52 2 ENDEMIC DISEASES OF THE SOUTHERN STATES mm. in length, the female 45-50 mm., about three-fifths beingcomprised by the anterior portion of the body. The anus isterminal and the vulva is situated near the commencement ofthe posterior portion of the body. This part of the body inthe male is spirally rolled up. The ova are very
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Keywords: ., boo, bookcentury1900, bookdecade1910, booksubjectdiseaseoutbreaks
