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Hanging Drop Tissue Culture
By: Adam R. Navis
| Published: Nov 08, 2007
The hanging drop tissue culture is a technique utilized in embryology and other fields to allow growth that would otherwise be restricted by the flat…
TechnologyTissue cultureTissue Culture Techniques
William Keith Brooks (1848-1908)
By: Kaitlin Smith
| Published: Jul 01, 2010
Biologist William Keith Brooks studied embryological development in invertebrates and used his results as evidence for theories of evolution and…
BiographyEducation
Fate Map
By: Corinne DeRuiter
| Published: Sep 08, 2010
Early development occurs in a highly organized and orchestrated manner and has long attracted the interest of developmental biologists and…
Cell Lineage
China's First Baby Conceived through In Vitro Fertilization-Embryonic Transfer, by Zhang Lizhu's Research Team
By: Lijing Jiang
| Published: Apr 27, 2011
On 10 March 1988, China's first baby conceived through human in vitro fertilization (IVF) and embryo transfer (ET), commonly referred to as a test-…
ReproductionExperimentsFertility
Mesenchyme
By: Kate MacCord
| Published: Sep 14, 2012
Mesenchyme is a type of animal tissue comprised of loose cells embedded in a mesh of proteins and fluid, called the extracellular matrix. The loose,…
MesenchymeGastrulationStem CellsMesenchymal Stem CellsEmbryology
Wilhelm August Oscar Hertwig (1849-1922)
By: Benjamin Garcia, Katherine Brind'Amour
| Published: Nov 01, 2007
Wilhelm August Oscar Hertwig contributed to embryology through his studies of cells in development and his discovery that only one spermatozoon is…
PeopleFertilizationBiographySpermOva
"Developmental Capacity of Nuclei Transplanted from Keratinized Skin Cells of Adult Frogs" (1975), by John Gurdon, Ronald Laskey, and O. Raymond Reeves
By: Sean Cohmer
| Published: Jun 14, 2011
In 1975 John Gurdon, Ronald Laskey, and O. Raymond Reeves published "Developmental Capacity of Nuclei Transplanted from Keratinized Skin Cells of…
Nuclear Transfer TechniquesExperimentsPublicationsFrogsNuclear Transplantation
"Drama of Life Before Birth" (1965), by Life Magazine and Lennart Nilsson
By: Olivia Conley
| Published: Jun 30, 2010
Life Magazine's 1965 cover story "Drama of Life Before Birth" featured photographs of embryos and fetuses taken by Swedish photojournalist Lennart…
LiteratureFetusPublicationsReproductionHuman Development
Leonardo da Vinci (1452-1519)
By: Hilary Gilson
| Published: Aug 26, 2008
Leonardo da Vinci was born on 15 April 1452, the illegitimate son of a young peasant girl by the name of Caterina and Ser Piero da Vinci, a well-…
PeopleBiographyFetusAnatomy