Resources Books

Brusca R. C., and G. J. Brusca. Invertebrates. 2nd ed. Sunderland, MA: Sinauer Associates, Inc., 2003.

Cannon, L. R. G. Turbellaria of the World—A Guide to Families and Genera. Queensland, Australia: Queensland Museum, 1986.

Kearn, G. C. Parasitism and the Platyhelminths. New York: Oxford University Press, 1998.

Prudhoe, S. A Monograph on Polyclad Turbellaria. New York: Pemberley books, 1985.

Sluys, R. A Monograph of the Marine Triclads. Brookfield, MA: A. A. Balkema, 1989.

Dennis A. Thoney, PhD

Phylum Platyhelminthes Class Trematoda

Number of families Approximately 176 Thumbnail description

Parasitic flatworms ranging from less than 0.04 in (1 mm) to 23 ft (7 m) long, but usually 0.2-2 in (0.5-5 cm)

Photo: Color scanning electron micrograph of red blood cells in the mouth of a Schistosoma man-sonifluke, a parasite causing the disease bil-harzia. It lives in the veins of the intestines and bladder of humans and feeds on blood cells. (Photo by © Oliver Meckes/Eye of Science/Photo Researchers, Inc. Reproduced by permission.)

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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