In biological terms, a parasite can be defined as an organism that grows, feeds and is sheltered on, or in, a different organism while contributing nothing to the survival of the host. 1 This relationship is particularly intimate for parasitic protozoa (and single-celled fungi such as the Microsporidia), many of which not only penetrate tissue barriers, but gain entry into host cells. The entry mechanisms are as diverse as the organisms employing them and are often critical components of their pathogenic profile. All of the parasitic organisms highlighted in this new book represent...
In biological terms, a parasite can be defined as an organism that grows, feeds and is sheltered on, or in, a different organism while contributing...