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Swart :: Swarmspore (n.) One of the minute flagellate germs produced by the sporulation of a protozoan; -- called also zoospore.

Radio-flagellata :: Radio-flagellata (n. pl.) A group of Protozoa having both flagella and pseudopodia.

Nucleus :: Nucleus (n.) A body, usually spheroidal, in a cell or a protozoan, distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents. It is more or less protoplasmic, and consists of a clear fluid (achromatin) through which extends a network of fibers (chromatin) in which may be suspended a second rounded body, the nucleolus (see Nucleoplasm). See Cell division, under Division..

Protozoon :: Protozoon (n.) A single zooid of a compound protozoan.

Protozoic :: Protozoic (a.) Containing remains of the earliest discovered life of the globe, which included mollusks, radiates and protozoans..

Seta :: Seta (n.) Any slender, more or less rigid, bristlelike organ or part; as the hairs of a caterpillar, the slender spines of a crustacean, the hairlike processes of a protozoan, the bristles or stiff hairs on the leaves of some plants, or the pedicel of the capsule of a moss..

Protozoon :: Protozoon (n.) One of the Protozoa.

Zoophyta :: Zoophyta (n. pl.) An extensive artificial and heterogeneous group of animals, formerly adopted by many zoologists. It included the c/lenterates, echinoderms, sponges, Bryozoa, Protozoa, etc..

Velum :: Velum (n.) A delicate funnel-like membrane around the flagellum of certain Infusoria. See Illust. a of Protozoa.

Protozoan :: Protozoan (n.) One of the Protozoa.

Polystome :: Polystome (n.) An animal having many mouths; -- applied to Protozoa.

Ectoplasm :: Ectoplasm (n.) The ectosarc of protozoan.

Proto- :: Proto- () A combining form prefix signifying first, primary, primordial; as, protomartyr, the first martyr; protomorphic, primitive in form; protoplast, a primordial organism; prototype, protozoan..

Nucleolus :: Nucleolus (n.) A small rounded body contained in the nucleus of a cell or a protozoan.

Gemma :: Gemma (n.) A bud spore; one of the small spores or buds in the reproduction of certain Protozoa, which separate one at a time from the parent cell..

Infusoria :: Infusoria (n. pl.) One of the classes of Protozoa, including a large number of species, all of minute size..

Sporogenesis :: Sporocyst (n.) Any protozoan when it becomes encysted produces germs by sporulation.

Protozoic :: Protozoic (a.) Of or pertaining to the Protozoa.

Metazoa :: Metazoa (n. pl.) Those animals in which the protoplasmic mass, constituting the egg, is converted into a multitude of cells, which are metamorphosed into the tissues of the body. A central cavity is commonly developed, and the cells around it are at first arranged in two layers, -- the ectoderm and endoderm. The group comprises nearly all animals except the Protozoa..

Protozoa :: Protozoa (n. pl.) The lowest of the grand divisions of the animal kingdom.

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