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Fertilization :: Fertilization (n.) The act of fecundating or impregnating animal or vegetable germs; esp., the process by which in flowers the pollen renders the ovule fertile, or an analogous process in flowerless plants; fecundation; impregnation..

Impregnation :: Impregnation (n.) The fusion of a female germ cell (ovum) with a male germ cell (in animals, a spermatozoon) to form a single new cell endowed with the power of developing into a new individual; fertilization; fecundation..

Allogamy :: Allogamy (n.) Fertilization of the pistil of a plant by pollen from another of the same species; cross-fertilization.

Orthogamy :: Orthogamy (n.) Direct fertilization in plants, as when the pollen fertilizing the ovules comes from the stamens of the same blossom; -- opposed to heterogamy..

Oospore :: Oospore (n.) A special kind of spore resulting from the fertilization of an oosphere by antherozoids.

Spermatozoid :: Spermatozoid (n.) The male germ cell in animals and plants, the essential element in fertilization; a microscopic animalcule-like particle, usually provided with one or more cilia by which it is capable of active motion. In animals, the familiar type is that of a small, more or less ovoid head, with a delicate threadlike cilium, or tail. Called also spermatozoon. In plants the more usual term is antherozoid..

Intercross :: Intercross (n.) The process or result of cross fertilization between different kinds of animals, or different varieties of plants..

Superfecundity :: Superfecundation (n.) Fertilization of two ova, at the same menstruation, by two different acts of coition..

Female :: Female (a.) Having pistils and no stamens; pistillate; or, in cryptogamous plants, capable of receiving fertilization..

Self-fertilization :: Self-fertilization (n.) The fertilization of a flower by pollen from the same flower and without outer aid; autogamy.

Hercogamous :: Hercogamous (a.) Not capable of self-fertilization; -- said of hermaphrodite flowers in which some structural obstacle forbids autogamy.

Grossification :: Grossification (n.) The swelling of the ovary of plants after fertilization. Henslow.

Parthenogenesis :: Parthenogenesis (n.) The production of new individuals from virgin females by means of ova which have the power of developing without the intervention of the male element; the production, without fertilization, of cells capable of germination. It is one of the phenomena of alternate generation. Cf. Heterogamy, and Metagenesis..

Female :: Female (n.) A plant which produces only that kind of reproductive organs which are capable of developing into fruit after impregnation or fertilization; a pistillate plant.

Cleistogamous :: Cleistogamous (a.) Having, beside the usual flowers, other minute, closed flowers, without petals or with minute petals; -- said of certain species of plants which possess flowers of two or more kinds, the closed ones being so constituted as to insure self-fertilization..

Warp :: Warp (v. t.) To let the tide or other water in upon (lowlying land), for the purpose of fertilization, by a deposit of warp, or slimy substance..

Geitonogamy :: Geitonogamy (n.) Fertilization of flowers by pollen from other flowers on the same plant.

Fecundation :: Fecundation (n.) The act by which, either in animals or plants, material prepared by the generative organs the female organism is brought in contact with matter from the organs of the male, so that a new organism results; impregnation; fertilization..

Proembryo :: Proembryo (n.) The series of cells formed in the ovule of a flowering plant after fertilization, but before the formation of the embryo..

Male :: Male (v. t.) Capable of producing fertilization, but not of bearing fruit; -- said of stamens and antheridia, and of the plants, or parts of plants, which bear them..

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