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The Collaborative International Dictionary
Ontogeny

Ontogenesis \On`to*gen"e*sis\, Ontogeny \On*tog"e*ny\, n. [See Ontology, and Genesis.] (Biol.) The history of the individual development of an organism; the sequence of events involved in the 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.

Syn: growth, growing, maturation, development.

Douglas Harper's Etymology Dictionary
ontogeny

"development of an individual," 1872, from onto- + -geny. Related: Ontogenic; ontogenesis.

Wiktionary
ontogeny

n. The development of an individual organism.

WordNet
ontogeny

n. (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level; "he proposed an indicator of osseous development in children" [syn: growth, growing, maturation, development, ontogenesis] [ant: nondevelopment]

Wikipedia
Ontogeny

Ontogeny (also ontogenesis or morphogenesis) is the origination and development of an organism, usually from the time of fertilization of the egg to the organism's mature form - although the term can be used to refer to the study of the entirety of an organism's lifespan.

Ontogeny pertains to the developmental history of an organism within its own lifetime, as distinct from phylogeny, which refers to the evolutionary history of a species. In practice, writers on evolution often speak of species as "developing" traits or characteristics. This can be misleading. While developmental (i.e., ontogenetic) processes can influence subsequent evolutionary (e.g., phylogenetic) processes (see evolutionary developmental biology), individual organisms develop (ontogeny), while species evolve (phylogeny).

Ontogeny, embryology and developmental biology are closely related studies and the terms are sometimes used interchangeably. Recently (2003), the term ontogeny has been used in cell biology to describe the development of various cell types within an organism.

Ontogeny is a useful field of study in many disciplines, including developmental biology, developmental psychology, developmental cognitive neuroscience, and developmental psychobiology.

Ontogeny is also a concept used in anthropology as "the process through which each of us embodies the history of our own making".

Ontogeny (psychoanalysis)

Ontogeny (also ontogenesis or morphogenesis) is 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 singular of εἶναι, "to be"; and from the suffix -geny, which expresses the concept of "mode of production". In more general terms, ontogeny is defined as the history of structural change in a unity, which can be a cell, an organism, or a society of organisms, without the loss of the organization which allows that unity to exist.

Usage examples of "ontogeny".

Up from Eden and The Atman project are two books that cover the micro and macro branch of human evolution in, respectively, phylogeny and ontogeny.

So as we pick up the story of ontogeny at the archaic and magic structures, and follow it into the realms of the superconscious, it is these two distortionsreductionism and elevationismthat we will most want to try to avoid.

We may distinguish between four different dimensional frameworks: autopoiesis, ontogeny, phylogeny, anagenesis.

Ontogeny recapitulates cosmogeny -- what is it but to say that proctoscopy repeats hagiography?

This was the basis of Spielman's Law -- ontogeny repeats cosmogeny -- and there was much more to it and to the science of cyclology whereof it was first principle.