Heyneman, Donald Health and Medical Sciences Program, University of California, Berkeley, California.
- Additional Readings
The study of diseases of humans caused by parasitic agents. It is commonly limited to parasitic worms (helminths) and the protozoa (see table). Current usage places the various nonprotozoan microbes in distinct disciplines, such as virology, rickettsiology, and bacteriology. Medical entomology, a branch of medical parasitology, deals with insects that serve as intermediate hosts or vectors of parasites, as well as the noxious effects of the insects themselves. Ticks, mites, and other noninsect arthropods are often included, although they are more accurately combined with insects in the field of medical arthropodology.
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