under the Ontogenese (v. griech. οντογένεση; Kompositum out ον on = the nature + γέννηση génnäsä = the birth, the emergence) one generally understands the history of the structural change of a unit without loss of its organization.

Strictly speaking designatesthe term Ontogenese

The biological Ontogenese of a multi-cell organism can be divided in four phases:

Generation: Embryo genesis -> birth:Juvenilstadium -> Pubeszenz:Adultstadium -> Klimakterium:To Seneszenz
(nach Mohr et al., 1992: Embryonale Phase -> vegetative Phase -> Generative Phase -> Seneszenz)

see also

Web on the left of

Wiktionary: Ontogenese - word origin, synonyms and translations

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