Dictionary.com
Thesaurus.com

ontogenetical

  • a word derived from ontogenesis.
    ontogenesis
    noun
    a variant of ontogeny.
  • a word derived from ontogenetic.
    ontogenetic
    adjective
    relating to or arising as part of ontogeny.
  • a word derived from ontogeny.
    ontogeny
    noun
    the development or developmental history of an individual organism.