Definition of spore

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Spore (n.) One of the minute grains in flowerless plants, which are analogous to seeds, as serving to reproduce the species..

Lern More About Spore

Spermatospore :: Spermatospore (n.) Same as Spermospore.
Exospore :: Exospore (n.) The extreme outer wall of a spore; the epispore.
Vegetable :: Vegetable (v.) Plants without true flowers, and reproduced by minute spores of various kinds, or by simple cell division..
Zoospore :: Zoospore (n.) A spore provided with one or more slender cilia, by the vibration of which it swims in the water. Zoospores are produced by many green, and by some olive-brown, algae. In certain species they are divided into the larger macrozoospores and the smaller microzoospores. Called also sporozoid, and swarmspore..
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..
Spermospore :: Spermospore (n.) The male germinal or seminal cell, from the breaking up of which the spermoblasts are formed and ultimately the spermatozoids; a spermatospore..
Sterilization :: Sterility (n.) Quality of being sterile; infecundity; also, the state of being free from germs or spores..
Rust :: Rust (n.) A minute mold or fungus forming reddish or rusty spots on the leaves and stems of cereal and other grasses (Trichobasis Rubigo-vera), now usually believed to be a form or condition of the corn mildew (Puccinia graminis). As rust, it has solitary reddish spores; as corn mildew, the spores are double and blackish..
Oophoridium :: Oophoridium (n.) The macrosporangium or case for the larger kind of spores in heterosporous flowerless plants.
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..
Proembryo :: Proembryo (n.) The primary growth from the spore in certain cryptogamous plants; as, the proembryo, or protonema, of mosses..
Oosporangium :: Oosporangium (n.) An oogonium; also, a case containing oval or rounded spores of some other kind than oospores..
Teleutospore :: Teleutospore (n.) The thick-celled winter or resting spore of the rusts (order Uredinales), produced in late summer. See Illust. of Uredospore..
Gemmule :: Gemmule (n.) One of the reproductive spores of algae.
Microsporic :: Microsporic (a.) Of or pertaining to microspores.
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..
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..
Microzoospore :: Microzoospore (n.) A small motile spore furnished with two vibratile cilia, found in certain green algae..
Conidium :: Conidium (n.) A peculiar kind of reproductive cell found in certain fungi, and often containing zoospores..
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..
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