Definition of spore

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

Lern More About Spore

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..
Swart :: Swarmspore (n.) One of the minute flagellate germs produced by the sporulation of a protozoan; -- called also zoospore.
Cryptogamia :: Cryptogamia (n.) The series or division of flowerless plants, or those never having true stamens and pistils, but propagated by spores of various kinds..
Fructification :: Fructification (n.) The process of producing fruit, or seeds, or spores..
Stichomancy :: Stichidium (n.) A special podlike or fusiform branch containing tetraspores. It is found in certain red algae.
Perispore :: Perispore (n.) The outer covering of a spore.
Seirospore :: Seirospore (n.) One of several spores arranged in a chain as in certain algae of the genus Callithamnion.
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..
Spore :: Spore (n.) One of the minute grains in flowerless plants, which are analogous to seeds, as serving to reproduce the species..
Oospore :: Oospore (n.) A special kind of spore resulting from the fertilization of an oosphere by antherozoids.
Acrosporous :: Acrosporous (a.) Having acrospores.
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..
Angiosporous :: Angiosporous (a.) Having spores contained in cells or thecae, as in the case of some fungi..
Motile :: Motile (a.) Having powers of self-motion, though unconscious; as, the motile spores of certain seaweeds..
Oospore :: Oospore (n.) A fertilized oosphere in the ovule of a flowering plant.
Uredo :: Uredo (n.) One of the stages in the life history of certain rusts (Uredinales), regarded at one time as a distinct genus. It is a summer stage preceding the teleutospore, or winter stage. See Uredinales, in the Supplement..
Pycnidium :: Pycnidium (n.) In certain fungi, a flask-shaped cavity from the surface of the inner walls of which spores are produced..
Heterosporous :: Heterosporous (a.) Producing two kinds of spores unlike each other.
Prothallus :: Prothallus (n.) The minute primary growth from the spore of ferns and other Pteridophyta, which bears the true sexual organs; the oophoric generation of ferns, etc..
Isosporic :: Isosporic (a.) Producing but one kind of spore, as the ferns and Equiseta. Cf. Heterosporic..
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