Definition of fission

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Fission (n.) A process by which certain coral polyps, echinoderms, annelids, etc., spontaneously subdivide, each individual thus forming two or more new ones. See Strobilation..

Lern More About Fission

Individual :: Individual (n.) The product of a single egg, whether it remains a single animal or becomes compound by budding or fission..
Diffission :: Diffission (n.) Act of cleaving or splitting.
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..
Pseudofilaria :: Pseudofilaria (n.) One of the two elongated vibratile young formed by fission of the embryo during the development of certain Gregarinae.
Fissigemmation :: Fissigemmation (n.) A process of reproduction intermediate between fission and gemmation.
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..
Fissiparism :: Fissiparism (n.) Reproduction by spontaneous fission.
Schizomycetes :: Schizomycetes (n. pl.) An order of Schizophyta, including the so-called fission fungi, or bacteria. See Schizophyta, in the Supplement..
Schizophyte :: Schizophyte (n.) One of a class of vegetable organisms, in the classification of Cohn, which includes all of the inferior forms that multiply by fission, whether they contain chlorophyll or not..
Fissipara :: Fissipara (n. pl.) Animals which reproduce by fission.
Leptothrix :: Leptothrix (n.) Having the form of a little chain; -- applied to bacteria when, as in multiplication by fission, they form a chain of filiform individuals..
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
Schizogenesis :: Schizogenesis (n.) Reproduction by fission.
Encystment :: Encystment (n.) A process which, among some of the lower forms of life, precedes reproduction by budding, fission, spore formation, etc..
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..
Fission :: Fission (n.) A process by which certain coral polyps, echinoderms, annelids, etc., spontaneously subdivide, each individual thus forming two or more new ones. See Strobilation..
Fissiparous :: Fissiparous (a.) Reproducing by spontaneous fission. See Fission.
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..
Asexual :: Asexual (a.) Having no distinct sex; without sexual action; as, asexual reproduction. See Fission and Gemmation..
Holoblastic :: Holoblastic (a.) Undergoing complete segmentation; composed entirely of germinal matter, the whole of the yolk undergoing fission; -- opposed to meroblastic..
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