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Edward Drinker Cope (1840-1897)
By: Karla T. Moeller
| Published: Jan 01, 2012
Edward Drinker Cope studied fossils and anatomy in the US in the late nineteenth century. Based on his observations of skeletal morphology, Cope…
PeopleBiographyAnatomyEvolution
Essay: The Cuvier-Geoffroy Debate
By: Valerie Racine
| Published: Oct 07, 2013
In 1830, a dispute erupted in the halls of lÕAcad mie des Sciences in Paris between the two most prominent anatomists of the nineteenth century.…
EssayAnimals--ClassificationCuvier, Georges, baron, 1769-1832AnatomyBiological Evolution
Biological Clocks and the Formation of Human Tooth Enamel
By: Kate MacCord
| Published: Jan 31, 2013
Tooth enamel contains relics of its formation process, in the form of microstructures, which indicate the incremental way in which it forms. These…
EvolutionteethDental EnamelHuman EvolutionAnatomy
Georges Cuvier (1769-1832)
By: Valerie Racine
| Published: Jul 10, 2013
Georges Cuvier, baptized Georges Jean-Leopold Nicolas-Frederic Cuvier, was a professor of anatomy at the National Museum of Natural History in Paris…
AnatomyAnatomy, ComparativeNatural historyExtinction (Biology)Zoology
Etienne Geoffroy Saint-Hilaire (1772-1844)
By: Valerie Racine
| Published: Aug 05, 2013
Etienne Geoffroy Saint-Hilaire, commonly known as Geoffroy, studied animals, their anatomy and their embryos, and teratogens at the National Museum…
Geoffroy Saint-Hilaire, Etienne, 1772-1844TeratologyZoologyFrench RevolutionHomology theory
Germ Layers
By: Kate MacCord
| Published: Sep 17, 2013
A germ layer is a group of cells in an embryo that interact with each other as the embryo develops and contribute to the formation of all organs and…
GastrulationEmbryologyCell differentiationEmbryosCells
Mesoderm
By: Kate MacCord
| Published: Nov 26, 2013
Mesoderm is one of the three germ layers, groups of cells that interact early during the embryonic life of animals and from which organs and tissues…
MesodermGastrulationCell differentiationCellsTissues
Endoderm
By: Kate MacCord
| Published: Nov 17, 2013
Endoderm is one of the germ layers-- aggregates of cells that organize early during embryonic life and from which all organs and tissues develop.…
GastrulationEmbryosEmbryologyCellsTissues
Ziegler Wax Embryo Models
By: Karen Wellner
| Published: Jun 15, 2010
Three-dimensional anatomical models have long been essential to the learning of science and lend a sense of "control" to those practicing in the…
TechnologyReproductionModelsAnatomy