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Oscar Hertwig

The Columbia Encyclopedia, Sixth Edition
Oscar Hertwig , 1849-1922, German embryologist. He studied medicine with Haeckel and Gegenbaur. In 1875 he established the fact that fertilization consists of the union of the nuclei of a male and a female sex cell. He studied the germ-layer theory (introducing the term coelom ) and malformations of vertebrate embryos. ... Read more
Gregor Johann Mendel
The Columbia Encyclopedia, Sixth Edition ...prelate in 1868. Failing eyesight and his duties as prelate somewhat curtailed his researches; although he anticipated Oscar Hertwig's discovery that fertilization of an egg involved only one male sex cell, these findings went unpublished. Mendel was... Read more
cytology
Britannica Concise Encyclopedia ...pronouncement (the cell theory) was confirmed and elaborated by a series of discoveries and interpretations. In 1892 Oscar Hertwig (1849–1922) suggested that processes at the organism's level are reflections of cellular processes, thus establishing... Read more

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