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Micro Ch. 6
| Term | Definition |
|---|---|
| apical complex | unique organelle, characteristic of the Apicomplexa, a large group of protozoans |
| coenocytic | fungal hyphae (filaments) that do not contain septa and therefore appear as long, continuous cells with many nuclei |
| cyst | a dormant stage of protozoans produced when the environment becomes unfavorable for feeding and therefore growth |
| definitive host | the host in which sexual reproduction of a parasite occurs |
| dikaryon | a state in some fungi in which each compartment of a hypha contains 2 nuclei, each nucleus derived from a different parent cell |
| flatworms | invertebrate organism of the phylum Platyhelminthes |
| harmful algal blooms (HABs) | algal blooms that occur in both marine and freshwater environments when a particular algal species succeeds in competing with other species and undergoes rapid reproduction, producing toxins harmful to other life forms |
| Harmful Algal Bloom-related Illness Surveillance System (HABISS) | supports public health decision making in cases of algal blooms in particular areas in the United States |
| heterotrophic | a heterotroph uses organic compounds as its source of carbon |
| hyphae | filamentous, multinucleated fungal structures that form threadlike filaments, many of which collectively form the mycelium and fruiting bodies of a fungus |
| intermediate hosts | an organism that hosts a parasite in the nonmature, nonsexual phase |
| macronucleus | the larger form of a nucleus found in ciliates |
| merozoites | a daughter cell of a protozoan parasite |
| micronucleus | the smaller of 2 nuclei in ciliates |
| mitosomes | an organelle found in some unicellular eukaryotic organisms,; mitosomes appear similar to mitochondria but have almost no energy-producing capacity |
| mycelium | a collective mass of the threadlike hyphae of fungi |
| mycology | the study of fungi |
| mycorrhizae | fungi that help the roots of plants to absorb minerals and water from the soil |
| NCEH | national center for environmental health |
| plasmodium | a protozoan parasite |
| roundworms | also called a nematode, a cylindrical worm with an unsegmented body |
| saprobes | free-living microorganisms that feed primarily on organic material from dead organisms |
| schizogomy | fission process in which first the nucleus divides multiple times, and then the cytoplasm is divided for each new nucleus |
| scolex | anterior end of a tapeworm, equipped with hooks/suckers for attachment to the host |
| septate hyphae | fungal hyphae divided into segments by cross-walls |
| sporangia | a fungal structure in which asexual spores are formed |
| sporozoite | a malarial trophozoite in the salivary glands of infected mosquitoes |
| tapeworms | large flat parasitic worm belonging to the class cestoida and found in the intestinal tract |
| thallus | undiffereniated structure of many fungi that does not possess distinct parts such as leaves, steams, or roots |
| trophozoite | vegetative form of a protozoan |
Created by:
elmore00
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