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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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Studied and explained structure of chick blastoderm

Observed spermatozoa ("animalcules") under the microscope

Diagrammed position of fetus

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

Meroblastic pattern of cleavage

Blastoderm

Cell theory

Comparative embryology

Wrote and published the first textbook on embryology

First microscopic account of chick development

Sperm and egg provides equal chromosomal contributions

Studied reproduction in many plants and animals

Formulated four laws of embryology

Gross and comparative anatomy of dog and sheep embryos

Blood islands

Founded modern histology

Summarized first detailed description of placenta

Germ cell plasm theory

Epigenesis

Holoblastic pattern of cleavage

Detailed study of the ovary

The Generation of Animals

Described rathke's pouch, gill slits and gill arches

Preformation

Embryonic induction