ÌÇÐÄÊÓÆµ

History of Developmental Biology

vs Physio-Chemical Reductionism
        (1800 - 1879) synthesizes urea
(1828)
        The Father of Organic Chemistry, or the "Wöhler Myth" ?

Determinative vs Regulative Development

    (1850 - 1924)
       Mosaicism of "Half"-Frog embryo (1888 experiments)

    (1867 - 1941)
        Pluripotency of 4-cell sea urchin embryos (1892 experiments)

    (1869 - 1941) [Nobel, 1935] -   Microsurgical techniques
        Grey Crescent - determination of Dorsal / Ventral axis
        Induction of Eye
        Organizer Principle & H Mangold - determination of three-layered gastrula embryo

        (1910 - 1999) "" []

HOMEWORK:
        What is the original distinction between Organic & Inorganic chemistry, as compared to the present distinction?
        Compare and contrast Vitalism with Reductionism as theories of the development of living beings.


Text material ©2022 by Steven M. Carr