Definition of spore

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Spore (n.) A minute grain or germ; a small, round or ovoid body, formed in certain organisms, and by germination giving rise to a new organism; as, the reproductive spores of bacteria, etc..

Lern More About Spore

Macrosporic :: Macrosporic (a.) Of or pertaining to macrospores.
Conceptacle :: Conceptacle (n.) One of the cases containing the spores, etc., of flowerless plants, especially of algae..
Calyptra :: Calyptra (n.) A little hood or veil, resembling an extinguisher in form and position, covering each of the small flasklike capsules which contain the spores of mosses; also, any similar covering body..
Sphaerospore :: Sphaerospore (n.) One of the nonsexual spores found in red algae; a tetraspore.
Macrospore :: Macrospore (n.) One of the specially large spores of certain flowerless plants, as Selaginella, etc..
Stichomancy :: Stichidium (n.) A special podlike or fusiform branch containing tetraspores. It is found in certain red algae.
Anthrax :: Anthrax (n.) An infectious disease of cattle and sheep. It is ascribed to the presence of a rod-shaped bacterium (Bacillus anthracis), the spores of which constitute the contagious matter. It may be transmitted to man by inoculation. The spleen becomes greatly enlarged and filled with bacteria. Called also splenic fever..
Sporiferous :: Sporidium (n.) A spore.
Oospore :: Oospore (n.) A special kind of spore resulting from the fertilization of an oosphere by antherozoids.
Puffball :: Puffball (n.) A kind of ball-shaped fungus (Lycoperdon giganteum, and other species of the same genus) full of dustlike spores when ripe; -- called also bullfist, bullfice, puckfist, puff, and puffin..
Oophoridium :: Oophoridium (n.) The macrosporangium or case for the larger kind of spores in heterosporous flowerless plants.
Swart :: Swarmspore (n.) One of the minute flagellate germs produced by the sporulation of a protozoan; -- called also zoospore.
Theca :: Theca (n.) A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord..
Selaginella :: Selaginella (n.) A genus of cryptogamous plants resembling Lycopodia, but producing two kinds of spores; also, any plant of this genus. Many species are cultivated in conservatories..
Teleutospore :: Teleutospore (n.) The thick-celled winter or resting spore of the rusts (order Uredinales), produced in late summer. See Illust. of Uredospore..
Favella :: Favella (n.) A group of spores arranged without order and covered with a thin gelatinous envelope, as in certain delicate red algae..
Zygosperm :: Zygosperm (n.) A spore formed by the union of the contents of two similar cells, either of the same or of distinct individual plants. Zygosperms are found in certain orders of algae and fungi..
Hypnocyst :: Hypnocyst (n.) A cyst in which some unicellular organisms temporarily inclose themselves, from which they emerge unchanged, after a period of drought or deficiency of food. In some instances, a process of spore formation seems to occur within such cysts..
Nemathecium :: Nemathecium (n.) A peculiar kind of fructification on certain red algae, consisting of an external mass of filaments at length separating into tetraspores..
Ovum :: Ovum (n.) A more or less spherical and transparent mass of granular protoplasm, which by a process of multiplication and growth develops into a mass of cells, constituting a new individual like the parent; an egg, spore, germ, or germ cell. See Illust. of Mycropyle..
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