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One of the Protozoa.

One of the minute spindle-shaped embryos of Gregarinæ and some other Protozoa.

A group of Protozoa having both flagella and pseudopodia.

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 Amoebea), Helizoa, Radiolaria, and Foraminifera (or Reticularia). See Protozoa.

e 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.

One of the parts formed by fission in certain Protozoa. See Spore formation, belw. Spore formation. (a) (Biol) A mode of reproduction resembling multitude fission, common among Protozoa, in which the organism breaks up into a number of pieces, or spores, each of which eventually develops into an organism like the paren…

Any protozoan when it becomes encysted produces germs by sporulation.

An extensive division of parasitic Protozoa, which increase by sporulation. It includes the Gregarinida.

A division of Protozoa in which a mouthlike opening exists.

Having a mouth; -- applied to certain Protozoa. -- n.

tebrata, Tunicata, Mollusca, Articulata, Molluscoidea, Echinodermata, Coelentera, and the Protozoa; in botany, the Phanerogamia, and the Cryptogamia.

One of the minute flagellate germs produced by the sporulation of a protozoan; -- called also zoöspore.

delicate funnel-like membrane around the flagellum of certain Infusoria. See Illust. a of Protozoa.

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.

adopted by many zoölogists. It included the coelenterates, echinoderms, sponges, Bryozoa, Protozoa, etc.