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Anthropogeny :: Anthropogeny (n.) The science or study of human generation, or the origin and development of man..

Progeneration :: Progeneration (n.) The act of begetting; propagation.

Systematically :: Systematical (a.) Affecting successively the different parts of the system or set of nervous fibres; as, systematic degeneration..

Stem :: Stem (n.) The stock of a family; a race or generation of progenitors.

Copulation :: Copulation (n.) The coming together of male and female in the act of generation; sexual union; coition.

Redia :: Redia (n.) A kind of larva, or nurse, which is prroduced within the sporocyst of certain trematodes by asexual generation. It in turn produces, in the same way, either another generation of rediae, or else cercariae within its own body. Called also proscolex, and nurse. See Illustration in Appendix..

Hermaphrodite :: Hermaphrodite (n.) An individual which has the attributes of both male and female, or which unites in itself the two sexes; an animal or plant having the parts of generation of both sexes, as when a flower contains both the stamens and pistil within the same calyx, or on the same receptacle. In some cases reproduction may take place without the union of the distinct individuals. In the animal kingdom true hermaphrodites are found only among the invertebrates. See Illust. in Appendix, under Helmi

Prolification :: Prolification (n.) The generation of young.

Atavism :: Atavism (n.) The recurrence of any peculiarity or disease of an ancestor in a subsequent generation, after an intermission for a generation or two..

Genesiolgy :: Genesiolgy (n.) The doctrine or science of generation.

Oviparity :: Oviparity (n.) Generation by means of ova. See Generation.

Pathogeny :: Pathogeny (n.) That branch of pathology which treats of the generation and development of disease.

Metagenesis :: Metagenesis (n.) Alternation of sexual and asexual or gemmiparous generations; -- in distinction from heterogamy.

Ovulist :: Ovulist (n.) A believer in the theory (called encasement theory), current during the last century, that the egg was the real animal germ, and that at the time of fecundation the spermatozoa simply gave the impetus which caused the unfolding of the egg, in which all generations were inclosed one within the other. Also called ovist..

Scrofula :: Scrofula (n.) A constitutional disease, generally hereditary, especially manifested by chronic enlargement and cheesy degeneration of the lymphatic glands, particularly those of the neck, and marked by a tendency to the development of chronic intractable inflammations of the skin, mucous membrane, bones, joints, and other parts, and by a diminution in the power of resistance to disease or injury and the capacity for recovery. Scrofula is now generally held to be tuberculous in character, and may

Metagenesis :: Metagenesis (n.) The change of form which one animal species undergoes in a series of successively produced individuals, extending from the one developed from the ovum to the final perfected individual. Hence, metagenesis involves the production of sexual individuals by nonsexual means, either directly or through intervening sexless generations. Opposed to monogenesis. See Alternate generation, under Generation..

Multiplication :: Multiplication (n.) The act or process of multiplying, or of increasing in number; the state of being multiplied; as, the multiplication of the human species by natural generation..

Reproduce :: Reproduce (v. t.) To produce again, by generation or the like; to cause the existence of (something of the same class, kind, or nature as another thing); to generate or beget, as offspring; as, to reproduce a rose; some animals are reproduced by gemmation..

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..

Gemmule :: Gemmule (n.) One of the imaginary granules or atoms which, according to Darwin's hypothesis of pangenesis, are continually being thrown off from every cell or unit, and circulate freely throughout the system, and when supplied with proper nutriment multiply by self-division and ultimately develop into cells like those from which they were derived. They are supposed to be transmitted from the parent to the offspring, but are often transmitted in a dormant state during many generations and are the

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