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Preformationism in the Enlightenment
By: Cera R. Lawrence
| Published: Aug 11, 2008
Preformationism was a theory of embryological development used in the late seventeenth through the late eighteenth centuries. This theory held that…
OvaSperm
"In vitro Experiments on the Effects of Mouse Sarcomas 180 and 37 on the Spinal and Sympathetic Ganglia of the Chick Embryo" (1954), by Rita Levi-Montalcini, Viktor Hamburger, and Hertha Meyer
By: Adam R. Navis
| Published: Oct 30, 2007
"In vitro Experiments on the Effects of Mouse Sarcomas 180 and 37 on the Spinal and Sympathetic Ganglia of the Chick Embryo" were experiments…
Levi-Montalcini, RitaChickens--EmbryosHamburger, Viktor, 1900-2001Developmental BiologyEmbryology
Paul Kammerer's Experiments on Salamanders (1903-1912)
By: Federica Turriziani Colonna
| Published: Dec 30, 2014
In the early twentieth century, Paul Kammerer conducted a series of experiments to demonstrate that organisms could transmit characteristics acquired…
Kammerer, Paul, 1880-1926SalamandraLaboratory animals--Breeding--ExperimentsLamarck, Jean Baptiste Pierre Antoine de Monet de, 1744-1829. Philosophie zoologique. EnglishHeredity
Gastrulation in Xenopus
By: Inbar Maayan
| Published: Mar 10, 2011
The process of gastrulation allows for the formation of the germ layers in metazoan embryos, and is generally achieved through a series of complex…
Haeckel, Ernst, 1834-1919GastrulationAmphibiansFrogs
John D. Gearhart
By: Ke Wu
| Published: Jan 19, 2011
John D. Gearhart is a renowned American developmental geneticist best known for leading the Johns Hopkins University research team that first…
PeopleStem CellsGeneticsBiography
Cornelia Isabella Bargmann (1961- )
By: Dasia Garcia
| Published: Jun 19, 2017
Cornelia Isabella Bargmann studied the relationship between genes, neural circuits, and behavior in the roundworm Caenorhabditis elegans (C. elegans…
Drosophila melanogasterNeural circuitryNeurobiologyHER-2 geneHER-2 protein
“Children’s Attitudes Toward Peers With Unintelligible Speech Associated With Cleft Lip and/or Palate” (2017), by Alice Lee, Fiona E. Gibbon, and Kimberley Spivey
By: Grace Rauch
| Published: Apr 16, 2024
In May 2017, Alice Lee, Fiona E. Gibbon, and Kimberley Spivey published “Children’s Attitudes Toward Peers With Unintelligible Speech Associated With…
Cleft PalateCleft LipCleft palate childrenCleft palate—psychological aspects
Cocaine as a Teratogen
By: Mark Zhang, Chanapa Tantibanchachai
| Published: Oct 17, 2013
Cocaine use by pregnant women has a variety of effects on the embryo and fetus, ranging from various gastro-intestinal and cardiac defects to tissue…
CocaineCocaine abusePregnancyEmbryosFetus
Hans Adolf Eduard Driesch (1867-1941)
By: Mary E. Sunderland
| Published: Nov 01, 2007
Although educated as a scientist who studied with both August Weismann and Ernst Heinrich Haeckel, Hans Adolf Eduard Driesch was first employed as a…
BiographySea Urchins
Twin-to-Twin Transfusion Syndrome
By: Corinne DeRuiter
| Published: Aug 16, 2011
Twin-to-Twin Transfusion Syndrome (TTTS) is a rare placental disease that can occur at any time during pregnancy involving identical twins. TTTS…
Fetofetal TransfusionReproductionFetusCongenital DisordersHuman Development