Definition of spore

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Sporangium (n.) A spore case in the cryptogamous plants, as in ferns, etc..

Lern More About Spore

Hymenium :: Hymenium (n.) The spore-bearing surface of certain fungi, as that on the gills of a mushroom..
Gemmule :: Gemmule (n.) One of the reproductive spores of algae.
Vegetable :: Vegetable (v.) Plants without true flowers, and reproduced by minute spores of various kinds, or by simple cell division..
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..
Endosporous :: Endosporous (a.) Having the spores contained in a case; -- applied to fungi.
Zonate :: Zonate (a.) Divided by parallel planes; as, zonate tetraspores, found in certain red algae..
Sporogony :: Sporogenesis (n.) reproduction by spores.
Fructification :: Fructification (n.) The collective organs by which a plant produces its fruit, or seeds, or reproductive spores..
Angiocarpous :: Angiocarpous (a.) Having the seeds or spores covered, as in certain lichens..
Macrosporic :: Macrosporic (a.) Of or pertaining to macrospores.
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..
Oophoridium :: Oophoridium (n.) The macrosporangium or case for the larger kind of spores in heterosporous flowerless plants.
Sporule :: Sporulation (n.) The act or process of forming spores; spore formation. See Illust. of Bacillus, b..
Macrosporangium :: Macrosporangium (n.) A sporangium or conceptacle containing only large spores; -- opposed to microsporangium. Both are found in the genera Selaginella, Isoctes, and Marsilia, plants remotely allied to ferns..
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
Microspore :: Microspore (n.) One of the exceedingly minute spores found in certain flowerless plants, as Selaginella and Isoetes, which bear two kinds of spores, one very much smaller than the other. Cf. Macrospore..
Oosporangium :: Oosporangium (n.) An oogonium; also, a case containing oval or rounded spores of some other kind than oospores..
Motile :: Motile (a.) Having powers of self-motion, though unconscious; as, the motile spores of certain seaweeds..
Ring :: Ring (n.) An elastic band partly or wholly encircling the spore cases of ferns. See Illust. of Sporangium.
Conidium :: Conidium (n.) A peculiar kind of reproductive cell found in certain fungi, and often containing zoospores..
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