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Match the names to their contributions to embryology.

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Aristotle

Aristotle

Aristotle

Aristotle

Leonardo Da Vinci

Hyeronymus Fabricius

Hyeronymus Fabricius

Bartolomeo Eustachius

Marcello Malpighi

William Harvey

William Harvey

William Harvey

Regnier de Graaf

Anton van Leeuwenhoek

Anton van Leeuwenhoek

Theodore Schwann

Theodore Schwann

Kaspar Friedrich Wolff

Christian Heinrich Pander

Karl Ernst von Baer

Heinrich Rathke

Rudolph Albert von Kölliker

August Weissmann

August Weissmann

Hans Speeman

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Embryonic induction

Detailed study of the ovary

Studied reproduction in many plants and animals

Described rathke's pouch, gill slits and gill arches

Observed spermatozoa ("animalcules") under the microscope

Comparative embryology

Sperm and egg provides equal chromosomal contributions

Germ cell plasm theory

Gross and comparative anatomy of dog and sheep embryos

Holoblastic pattern of cleavage

Wrote and published the first textbook on embryology

Preformation

The Generation of Animals

Summarized first detailed description of placenta

Blastoderm

Founded modern histology

Studied and explained structure of chick blastoderm

Says that embryonic parts develop from tissues that have no counterpart in the adult organism

Diagrammed position of fetus

First microscopic account of chick development

Blood islands

Formulated four laws of embryology

Cell theory

Epigenesis

Meroblastic pattern of cleavage