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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
Martin John Evans (1941– )
By: Alexander Sastokas
| Published: Aug 05, 2025
Sir Martin John Evans researched developmental biology in the United Kingdom during the twentieth and early twenty-first centuries. He was among the…
Knockout MiceStem Cell ResearchDevelopmental BiologyP53 geneNobel Prize winners
Teratogens
By: Chanapa Tantibanchachai
| Published: Jan 22, 2014
Teratogens are substances that may produce physical or functional defects in the human embryo or fetus after the pregnant woman is exposed to the…
Abnormalities, HumanFetusPregnancyTeratogenicity testingEmbryos
"Embryonic Stem Cell Lines Derived from Human Blastocytes" (1998), by James Thomson
By: Ke Wu
| Published: Feb 01, 2011
After becoming chief pathologist at the University of Wisconsin-Madison Wisconsin Regional Primate Center in 1995, James A. Thomson began his…
Stem CellsExperimentsPublicationsHuman Development
"Embryonic Stem Cell Lines Derived from Human Blastocytes" (1998), by James Thomson
By: Ke Wu
| Published: Feb 01, 2011
After becoming chief pathologist at the University of Wisconsin-Madison Wisconsin Regional Primate Center in 1995, James A. Thomson began his…
Stem CellsExperimentsPublicationsHuman Development
The Diversity of Animals: An Evolutionary Study (1962), by Edward Stuart Russell
By: Mark A. Ulett
| Published: Jun 27, 2010
In 1962 the journal Acta Biotheoretica published the final work of the biologist Edward Stuart Russell, a full eight years after his death. Entitled…
LiteratureRussell, E. S. (Edward Stuart), 1887-1954Biological EvolutionPublicationsEvolution
Tissue Engineering
By: Angel Lopez
| Published: Oct 29, 2010
Tissue engineering is a field of regenerative medicine that integrates the knowledge of scientists, physicians, and engineers into the construction…
Tissue EngineeringmedicineRegeneration
"Transplantation of Living Nuclei from Blastula Cells into Enucleated Frogs' Eggs" (1952), by Robert Briggs and Thomas J. King
By: Nicole Newkirk
| Published: Nov 13, 2007
In 1952 Robert Briggs and Thomas J. King published their article, "Transplantation of Living Nuclei from Blastula Cells into Enucleated Frogs' Eggs…
Cell nuclei--TransplantationNuclear Transfer TechniquesExperimentsNuclear TransplantationTransplantation
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
Gestational Diabetes
By: Alison Lane
| Published: Nov 17, 2020
Gestational diabetes is a medical condition that causes blood sugar levels to become abnormally high, which manifests for the first-time during…
Diabetes in pregnancyGestational DiabetesPregnancy--ComplicationsHigh-Risk PregnancyDiabetes in women