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

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..
Diffission :: Diffission (n.) Act of cleaving or splitting.
Fission :: Fission (n.) A cleaving, splitting, or breaking up into parts..
Encystment :: Encystment (n.) A process which, among some of the lower forms of life, precedes reproduction by budding, fission, spore formation, etc..
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..
Fissipara :: Fissipara (n. pl.) Animals which reproduce by fission.
Sporid :: Spore (n.) One of the parts formed by fission in certain Protozoa. See Spore formation, belw..
Schizogenesis :: Schizogenesis (n.) Reproduction by fission.
Fissipation :: Fissipation (n.) Reproduction by fission; fissiparism.
Fissiparism :: Fissiparism (n.) Reproduction by spontaneous fission.
Individual :: Individual (n.) The product of a single egg, whether it remains a single animal or becomes compound by budding or 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..
Fissigemmation :: Fissigemmation (n.) A process of reproduction intermediate between fission and gemmation.
Asexual :: Asexual (a.) Having no distinct sex; without sexual action; as, asexual reproduction. See Fission and Gemmation..
Schizomycetes :: Schizomycetes (n. pl.) An order of Schizophyta, including the so-called fission fungi, or bacteria. See Schizophyta, in the Supplement..
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..
Pseudofilaria :: Pseudofilaria (n.) One of the two elongated vibratile young formed by fission of the embryo during the development of certain Gregarinae.
Meroblastic :: Meroblastic (a.) Consisting only in part of germinal matter; characterized by partial segmentation only; as, meroblastic ova, in which a portion of the yolk only undergoes fission; meroblastic segmentation; -- opposed to holoblastic..
Scissiparity :: Scissiparity (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..
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