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On Ancylostoma braziliense (de Faria, 1910) and its Morphological Differentiation from A. ceylanicum

Published online by Cambridge University Press:  18 November 2009

E. Biocca
E. Biocca
Affiliation:
From the Department of Parasitology, London School of Hygiene and Tropical Medicine).
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Extract

The species of the genus Ancylostoma (Dubini, 1848) reported as parasites of the human intestine are A. duodenale, A. braziliense, and occasionally A. caninum and A. malayanum. “Creeping eruption ” is considered to be a cutaneous helminthiasis produced by larvae of an ancylostome that American authors accepted as A. braziliense. As a result of detailed studies of the parasite by Lane (1922), Darling (1924) and Schwartz (1927), the majority of parasitologists now treat A. ceylanicum as a synonym of A. braziliense, contrary to the opinions of de Faria (1914,1916) who described A. braziliense, and Looss (1914) who described A. ceylanicum. The solution of the problem is not only of systematic but also of epidemiological importance because de Faria (1914) expressed the opinion that A. braziliense is not pathogenic for man. In the present enquiry the writer has been able to demonstrate that A. braziliense and A. ceylanicum are two different species; and for this reason it is considered of interest to summarise the original descriptions of the two nematodes and the existing opinions concerning this problem.

Type
Research Article
Information
Journal of Helminthology , Volume 25 , Issue 1-2 , June 1951 , pp. 1 - 10
Copyright
Copyright © Cambridge University Press 1951

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