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The history of the individual development of an organism; the history of the evolution of the germ; the development of an individual organism, -- in distinction from phylogeny, or evolution of the tribe. Called also henogenesis, henogeny.

The development, or mode of origin, of the ova.

The origin and development of organs in animals and plants.

of the body wall of Bryozoa in which the ova sometimes undegro the first stages of their development. See Illust. of Chilostoma.

passage of ova from the ovary to the exterior of the animal or to the part where further development takes place. In mammals the oviducts are also called Fallopian tubes.

evolution in which the truly ancestral characters conserved by heredity are reproduced in development; original simple descent; -- distinguished from kenogenesis. Sometimes, in zoölogy, the abrupt metamorphosis of insects, crustaceans, etc.

The generation, and method of development, of disease; as, the pathogeny of yellow fever is unsettled.

y of the families constituting the populus Romanus, or body of Roman citizens, before the development of the plebeian order; later, one who, by right of birth or by special privilege conferred, belonged to the nobility.

A poor person; especially, one development on private or public charity. Also used adjectively; as, pouper immigrants, pouper labor.

A somewhat rare skin disease, characterized by the development of blebs upon different part of the body. Quain.

ality or state of being perfect or complete, so that nothing requisite is wanting; entire development; consummate culture, skill, or moral excellence; the highest attainable state or degree of excellence; maturity; as, perfection in an art, in a science, or in a system; perfection in form or degree; fruits in perfectio…

he laws of human speech, the relation of different tongues to one another, and historical development of languages; linguistic science.

The history of genealogical development; the race history of an animal or vegetable type; the historic exolution of the phylon or tribe, in distinction from ontogeny, or the development of the individual organism, and from biogenesis, or life development generally.

The germ history of the functions, or the history of the development of vital activities, in the individual, being one of the branches of ontogeny. See Morphogeny. Haeckel.

The tribal history of the functions, or the history of the paleontological development of vital activities, -- being a branch of phylogeny. See Morphophyly. Haeckel.

asis versicolor Etym: [NL.] (Med.), a parasitic disease of the skin, characterized by the development of reddish or brownish patches.

The embryo which has begun its development in the act of germination.

In embryonic development, a vesicle filled with fluid, formed from the morula by the divergence of its cells in such a manner as to give rise to a central space, around which the cells arrange themselves as an envelope; an embryonic form intermediate between the morula and gastrula. Sometimes used as synonymous with ga…

A combining form denoting the act or process of forming, development, growth; as, autoplasty, perineoplasty.

A diseased state in plants in which there is an excessive development of small entangled twigs, instead of ordinary branches.