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

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..

Sporozoid :: Sporozoa (n. pl.) An extensive division of parasitic Protozoa, which increase by sporulation. It includes the Gregarinida..

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..

Rhizopoda :: Rhizopoda (n. pl.) An extensive class of Protozoa, including those which have pseudopodia, by means of which they move about and take their food. The principal groups are Lobosa (or Am/bea), Helizoa, Radiolaria, and Foraminifera (or Reticularia). See 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..

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..

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..

Sublapsarian :: Subkingdom (n.) One of the several primary divisions of either the animal, or vegetable kingdom, as, in zoology, the Vertebrata, Tunicata, Mollusca, Articulata, Molluscoidea, Echinodermata, Coelentera, and the Protozoa; in botany, the Phanerogamia, and the Cryptogamia..

Protozoa :: Protozoa (pl. ) of Protozoo.

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

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..

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

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

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..

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

Stomatodaeum :: Stomatoda (n. pl.) A division of Protozoa in which a mouthlike opening exists.

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

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

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