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Proteus :: Proteus (n.) A changeable protozoan; an amoeba.

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

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..

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

Cyst :: Cyst (n.) A form assumed by Protozoa in which they become saclike and quiescent. It generally precedes the production of germs. See Encystment.

Zoocyst :: Zoocyst (n.) A cyst formed by certain Protozoa and unicellular plants which the contents divide into a large number of granules, each of which becomes a germ..

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..

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

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

Entoplastic :: Entoplastic (a.) Pertaining to, or composed of, entoplasm; as, the entoplastic products of some Protozoa, or the entoplastic modification of the cell protoplasm, by which a nucleus is produced..

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

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

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

D8gregarin91 :: d8Gregarin91 (n. pl.) An order of Protozoa, allied to the Rhizopoda, and parasitic in other animals, as in the earthworm, lobster, etc. When adult, they have a small, wormlike body inclosing a nucleus, but without external organs; in one of the young stages, they are amoebiform; -- called also Gregarinida, and Gregarinaria..

Catallacta :: Catallacta (n. pl.) A division of Protozoa, of which Magosphaera is the type. They exist both in a myxopod state, with branched pseudopodia, and in the form of ciliated bodies united in free, spherical colonies..

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

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

Protozoa :: Protozoa (pl. ) of Protozoo.

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

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