出典:Wikipedia
出典:『Wikipedia』 (2011/06/21 08:47 UTC 版)
Ontogeny (also ontogenesis or morphogenesis) describes the origin and the development of an organism - for example: from the fertilized egg to mature form. It covers in essence, the study of an organism's lifespan. The word "ontogeny" comes from the Greek ὄντος, ontos, present participle genitive singular neuter of εἶναι, "to be"; and from the suffix -geny, which expresses the concept of "mode of production".
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