[het-uh-rok-ruh-nee] /ˌhɛt əˈrɒk rə ni/

noun, Biology.
a genetic shift in timing of the development of a tissue or anatomical part, or in the onset of a physiological process, relative to an ancestor.


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  • Heterochthonous

    [het-uh-rok-thuh-nuh s] /ˌhɛt əˈrɒk θə nəs/ adjective 1. not indigenous; foreign (opposed to ): heterochthonous flora and fauna.

  • Heterocladic anastomosis

    heterocladic anastomosis het·er·o·clad·ic anastomosis (hět’ə-rō-klād’ĭk) n. A surgical connection between branches of different arteries.

  • Heteroclite

    [het-er-uh-klahyt] /ˈhɛt ər əˌklaɪt/ adjective, Also, heteroclitic [het-er-uh-klit-ik] /ˌhɛt ər əˈklɪt ɪk/ (Show IPA), heteroclitical 1. irregular or abnormal; anomalous. 2. Grammar. irregular in inflection; having inflected forms belonging to more than one class of stems. noun 3. a person or thing that deviates from the ordinary rule or form. 4. Grammar. a heteroclite word. […]

  • Heterocrine

    heterocrine het·er·o·crine (hět’ə-rə-krĭn, -krēn’) adj. Secreting two or more kinds of material.

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