Size as a Criterion of Species in the Human Intestinal Amebae
- 1 May 1959
- journal article
- Published by American Society of Tropical Medicine and Hygiene in The American Journal of Tropical Medicine and Hygiene
- Vol. 8 (3) , 327-330
- https://doi.org/10.4269/ajtmh.1959.8.327
Abstract
Summary 1. The influence of bacterial associates on the size of human intestinal amebae in culture is shown. 2. The use of size-distribution curves to distinguish amebae in controlled environments is described. 3. Evidence of a genetic size difference between E. histolytica and E. hartmanni is presented. 4. It is suggested that, until an accurate, practical method for separation is devised, a mean size of 10µ for cysts and 12µ for trophozoites (a criterion often suggested in the past), be used as the dividing line between the larger species, E. histolytica and the smaller, E. hartmanni.Keywords
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