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Holoblastic :: Holoblastic (a.) Undergoing complete segmentation; composed entirely of germinal matter, the whole of the yolk undergoing fission; -- opposed to meroblastic..

Monogenesis :: Monogenesis (n.) That form of reproduction which requires but one parent, as in reproduction by fission or in the formation of buds, etc., which drop off and form new individuals; asexual reproduction..

Encystment :: Encystment (n.) A process which, among some of the lower forms of life, precedes reproduction by budding, fission, spore formation, etc..

Fissigemmation :: Fissigemmation (n.) A process of reproduction intermediate between fission and gemmation.

Schizogenesis :: Schizogenesis (n.) Reproduction by fission.

Fission :: Fission (n.) A method of asexual reproduction among the lowest (unicellular) organisms by means of a process of self-division, consisting of gradual division or cleavage of the into two parts, each of which then becomes a separate and independent organisms; as when a cell in an animal or plant, or its germ, undergoes a spontaneous division, and the parts again subdivide. See Segmentation, and Cell division, under Division..

Individual :: Individual (n.) The product of a single egg, whether it remains a single animal or becomes compound by budding or fission..

Deuterozooid :: Deuterozooid (n.) One of the secondary, and usually sexual, zooids produced by budding or fission from the primary zooids, in animals having alternate generations. In the tapeworms, the joints are deuterozooids..

Fission :: Fission (n.) A cleaving, splitting, or breaking up into parts..

Strobile :: Strobilation (n.) The act or phenomenon of spontaneously dividing transversely, as do certain species of annelids and helminths; transverse fission. See Illust. under Syllidian..

Fissipation :: Fissipation (n.) Reproduction by fission; fissiparism.

Protophyte :: Protophyte (n.) Any unicellular plant, or plant forming only a plasmodium, having reproduction only by fission, gemmation, or cell division..

Asexual :: Asexual (a.) Having no distinct sex; without sexual action; as, asexual reproduction. See Fission and Gemmation..

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

Fissiparism :: Fissiparism (n.) Reproduction by spontaneous fission.

Accrementition :: Accrementition (n.) The process of generation by development of blastema, or fission of cells, in which the new formation is in all respect like the individual from which it proceeds..

Bacterium :: Bacterium (n.) A microscopic vegetable organism, belonging to the class Algae, usually in the form of a jointed rodlike filament, and found in putrefying organic infusions. Bacteria are destitute of chlorophyll, and are the smallest of microscopic organisms. They are very widely diffused in nature, and multiply with marvelous rapidity, both by fission and by spores. Certain species are active agents in fermentation, while others appear to be the cause of certain infectious diseases. See Bacillus

Fissiparous :: Fissiparous (a.) Reproducing by spontaneous fission. See Fission.

Fissipara :: Fissipara (n. pl.) Animals which reproduce by fission.

Pseudofilaria :: Pseudofilaria (n.) One of the two elongated vibratile young formed by fission of the embryo during the development of certain Gregarinae.

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