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

Ascospore :: Ascospore (n.) One of the spores contained in the asci of lichens and fungi. [See Illust. of Ascus..
Teleutospore :: Teleutospore (n.) The thick-celled winter or resting spore of the rusts (order Uredinales), produced in late summer. See Illust. of Uredospore..
Spore :: Sporangium (n.) A spore case in the cryptogamous plants, as in ferns, etc..
Zoosporic :: Zoosporic (a.) Of or pertaining to zoospores; of the nature of zoospores.
Proembryo :: Proembryo (n.) The primary growth from the spore in certain cryptogamous plants; as, the proembryo, or protonema, of mosses..
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..
Conceptacle :: Conceptacle (n.) One of the cases containing the spores, etc., of flowerless plants, especially of algae..
Urn :: Urn (n.) A hollow body shaped like an urn, in which the spores of mosses are contained; a spore case; a theca..
Sporid :: Spore (n.) One of the parts formed by fission in certain Protozoa. See Spore formation, belw..
Underspore :: Underspore (v. t.) To raise with a spar, or piece of wood, used as a lever..
Quillwort :: Quillwort (n.) Any plant or species of the genus Isoetes, cryptogamous plants with a cluster of elongated four-tubed rushlike leaves, rising from a corm, and containing spores in their enlarged and excavated bases. There are about seventeen American species, usually growing in the mud under still, shallow water. So called from the shape of the shape of the leaves..
Zygospore :: Zygospore (n.) Same as Zygosperm.
Sporophoric :: Sporophore (n.) That alternately produced form of certain cryptogamous plants, as ferns, mosses, and the like, which is nonsexual, but produces spores in countless numbers. In ferns it is the leafy plant, in mosses the capsule. Cf. Oophore..
Conjugation :: Conjugation (n.) A kind of sexual union; -- applied to a blending of the contents of two or more cells or individuals in some plants and lower animals, by which new spores or germs are developed..
Oogonium :: Oogonium (n.) A special cell in certain cryptogamous plants containing oospheres, as in the rockweeds (Fucus), and the orders Vaucherieae and Peronosporeae..
Sporuliferous :: Sporule (n.) A small spore; a spore.
Spermosphere :: Spermosphere (n.) A mass or ball of cells formed by the repeated division of a male germinal cell (spermospore), each constituent cell (spermoblast) of which is converted into a spermatozoid; a spermatogemma..
Basidiospore :: Basidiospore (n.) A spore borne by a basidium.
Sterilization :: Sterility (n.) Quality of being sterile; infecundity; also, the state of being free from germs or spores..
Lid :: Lid (n.) The cover of the spore cases of mosses.
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