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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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Formulated four laws of embryology

Studied and explained structure of chick blastoderm

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

Wrote and published the first textbook on embryology

Holoblastic pattern of cleavage

Germ cell plasm theory

Diagrammed position of fetus

Cell theory

Blood islands

Summarized first detailed description of placenta

The Generation of Animals

Detailed study of the ovary

Meroblastic pattern of cleavage

Embryonic induction

Epigenesis

Blastoderm

Studied reproduction in many plants and animals

Founded modern histology

Preformation

Comparative embryology

Observed spermatozoa ("animalcules") under the microscope

Described rathke's pouch, gill slits and gill arches

Gross and comparative anatomy of dog and sheep embryos

First microscopic account of chick development

Sperm and egg provides equal chromosomal contributions