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Hilde Mangold (1898-1924)
By: Maria Doty
| Published: May 09, 2011
Hilde Mangold, previously Hilde Proescholdt, was a German embryologist and physiologist who became well known for research completed with Hans…
Organizers, EmbryonicBiographydifferentiationAmphibians
Robert William Briggs (1911-1983)
By: Adam R. Navis
| Published: Nov 08, 2007
Robert William Briggs was a prolific developmental biologist. However, he is most identified with the first successful cloning of a frog by nuclear…
PeopleNuclear Transfer TechniquesNuclear TransplantationBiography
Effect of Prenatal Alcohol Exposure on Radial Glial Cells
By: Erica O'Neil
| Published: Oct 20, 2010
Prenatal alcohol (ethanol) exposure can have dramatic effects on the development of the central nervous system (CNS), including morphological…
fetal alcohol syndromeReproductionCongenital DisordersFetus
Effects of Prenatal Alcohol Exposure on Ocular Development
By: Erica O'Neil
| Published: May 04, 2011
Maternal consumption of alcohol (ethanol) can result in a range of alcohol-induced developmental defects. In humans, those collective birth defects…
fetal alcohol syndromeReproductionHuman Development
Bicoid
By: Jack Resnik
| Published: Jun 02, 2012
Bicoid is the protein product of a maternal-effect gene unique to flies of the genus Drosophila . In 1988 Christiane Nüsslein-Volhard identified…
Nüsslein-Volhard, C. (Christiane)EmbryosMorphogenesisTuring, Alan, 1912-1954Morgan, Thomas Hunt, 1866-1945
Nicole Le Douarin and Charles Ordahl's Experiments on the Developmental Lineages of Somites
By: Corinne DeRuiter
| Published: Jan 31, 2011
Through various studies developmental biologists have been able to determine that the muscles of the back, ribs, and limbs derive from somites.…
SomitesExperimentsSomatic cellsVertebrates
Inducing Fertilization and Development in Sand Dollars
By: Karen Wellner
| Published: Jun 24, 2010
Sand dollars are common marine invertebrates in the phylum Echinodermata and share the same class (Echinoidea) as sea urchins. They have served as…
Sand DollarsFertilizationInvertebrates
Hamburger-Hamilton Staging Series (1951)
By: Maria Doty
| Published: Jun 10, 2011
In 1951 Viktor Hamburger and Howard Hamilton created an embryonic staging series from a combination of photographs and drawings from other…
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"On the Induction of Embryonic Primordia by Implantation of Organizers from Different Species" (1924), Hilde Mangold's Dissertation
By: Megan Kearl, Kate MacCord
| Published: Dec 19, 2012
Hilde Proscholdt Mangold was a doctoral student at the Zoological Institute at the University of Freiburg in Freiburg, Germany, from 1920-1923.…
LiteratureEmbryosTrembley, Abraham, 1710-1784GastrulationEmbryology
Developmental Timeline of Alcohol-Induced Birth Defects
By: Erica O'Neil
| Published: Apr 24, 2011
Maternal consumption of alcohol (ethanol) during pregnancy can result in a continuum of embryonic developmental abnormalities that vary depending on…
fetal alcohol syndromeReproductionHuman Development