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

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

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

Sporid :: Spore (n.) One of the parts formed by fission in certain Protozoa. See Spore formation, belw..

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

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.

Stomatode :: Stomatode (a.) Having a mouth; -- applied to certain 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..

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

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

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

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..

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

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

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..

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

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

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

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