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metamorphosis
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- Metamorphosis - n. - Change of form, or structure; transformation.
- Metamorphosis - n. - A change in the form or function of a living organism, by a natural process of growth or development; as, the metamorphosis of the yolk into the embryo, of a tadpole into a frog, or of a bud into a blossom. Especially, that form of sexual reproduction in which an embryo undergoes a series of marked changes of external form, as the chrysalis stage, pupa stage, etc., in insects. In these intermediate stages sexual reproduction is usually impossible, but they ultimately pass into final and sexually developed forms, from the union of which organisms are produced which pass through the same cycle of changes. See Transformation.
- Metamorphosis - n. - The change of material of one kind into another through the agency of the living organism; metabolism.
- Sepalody - n. - The metamorphosis of other floral organs into sepals or sepaloid bodies.
- Larva - n. - The early, immature form of any animal when more or less of a metamorphosis takes place, before the assumption of the mature shape.
- Petalody - n. - The metamorphosis of various floral organs, usually stamens, into petals.
- Metamorphosis - n. - A change in the form or function of a living organism, by a natural process of growth or development; as, the metamorphosis of the yolk into the embryo, of a tadpole into a frog, or of a bud into a blossom. Especially, that form of sexual reproduction in which an embryo undergoes a series of marked changes of external form, as the chrysalis stage, pupa stage, etc., in insects. In these intermediate stages sexual reproduction is usually impossible, but they ultimately pass into final and sexually developed forms, from the union of which organisms are produced which pass through the same cycle of changes. See Transformation.
- Gnat - n. - A blood-sucking dipterous fly, of the genus Culex, undergoing a metamorphosis in water. The females have a proboscis armed with needlelike organs for penetrating the skin of animals. These are wanting in the males. In America they are generally called mosquitoes. See Mosquito.
- Pupa - n. - Any insect in that stage of its metamorphosis which usually immediately precedes the adult, or imago, stage.
- Phyllome - n. - A foliar part of a plant; any organ homologous with a leaf, or produced by metamorphosis of a leaf.
- Pistillody - n. - The metamorphosis of other organs into pistils.
- Palingenesy - n. - That form of evolution in which the truly ancestral characters conserved by heredity are reproduced in development; original simple descent; -- distinguished from kenogenesis. Sometimes, in zoology, the abrupt metamorphosis of insects, crustaceans, etc.
- Phyllody - n. - A retrograde metamorphosis of the floral organs to the condition of leaves.