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"Experiments on the Development of Chick and Duck Embryos, Cultivated in vitro" (1932), by Conrad Hal Waddington
By: Adam R. Navis
| Published: Nov 08, 2007
Conrad Hal Waddington's "Experiments on the Development of Chick and Duck Embryos, Cultivated in vitro," published in 1932 in Philosophical…
Waddington, C. H. (Conrad Hal), 1905-1975ExperimentsChicksDucks
Reassessment of Carrel's Immortal Tissue Culture Experiments
By: Lijing Jiang
| Published: Jun 28, 2010
In the 1910s, Alexis Carrel, a French surgeon and biologist, concluded that cells are intrinsically immortal. His claim was based on chick-heart…
ContextCarrel, Alexis, 1873-1944Tissue Culture TechniquesTissue cultureChicks
"A Diffusible Agent of Mouse Sarcoma, Producing Hyperplasia of Sympathetic Ganglia and Hyperneurotization of Viscera in the Chick Embryo" (1953), by Rita Levi-Montalcini and Viktor Hamburger
By: Adam R. Navis
| Published: Nov 09, 2007
"A Diffusible Agent of Mouse Sarcoma, Producing Hyperplasia of Sympathetic Ganglia and Hyperneurotization of Viscera in the Chick Embryo," by Rita…
Nerve Growth FactorExperimentsMiceChicks
Nerve Growth Factor
By: Adam R. Navis
| Published: Oct 30, 2007
Nerve growth factor (NGF) is a signaling protein and growth factor implicated in a wide range of development and maintenance functions. NGF was…
Nerve Growth FactorChicks
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…
Chicks
Images of Embryos in Life Magazine in the 1950s
By: Olivia Conley
| Published: Jun 30, 2010
Embryonic images displayed in Life magazine during the mid-twentieth century serve as a representation of technological advances and the growing…
PublicationsReproductionChicksHuman DevelopmentFetus
Gastrulation in Gallus gallus (Domestic Chicken)
By: Corinne DeRuiter, Maria Doty
| Published: Jun 21, 2011
Gastrulation is an early stage in embryo development in which the blastula reorganizes into three germ layers: the ectoderm, the mesoderm, and the…
GastrulationChicks
August Antonius Rauber (1841-1917)
By: Maria Doty
| Published: Jun 10, 2011
August Antonius Rauber was an embryologist and anatomist who examined gastrulation in avian embryos. He examined the formation of the blastopore,…
PeopleGastrulationChicks
Hensen's Node
By: Maria Doty, Corinne DeRuiter
| Published: Jun 21, 2011
A node, or primitive knot, is an enlarged group of cells located in the anterior portion of the primitive streak in a developing gastrula. The node…
GastrulationChicks