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National Embryo Donation Center
By: Nicole Lopez
| Published: Jun 24, 2010
The National Embryo Donation Center (NEDC) is a non-profit organization that was established in 2002 in Knoxville, Tennessee. The organization is…
OrganizationFertilityOrganizationsReproduction
Hydrocephalus During Infancy
By: Alexandra Bohnenberger
| Published: Mar 07, 2017
Hydrocephalus is a congenital or acquired disorder characterized by the abnormal accumulation of cerebrospinal fluid within the cavities of the brain…
HydrocephalusDandy, Walter Edward, 1886-1946Arnold-Chiari DeformityBrain--DiseasesInfants--Diseases
Ontogeny and Phylogeny (1977), by Stephen Jay Gould
By: M. Elizabeth Barnes
| Published: Oct 21, 2014
Ontogeny and Phylogeny is a book published in 1977, in which the author Stephen J. Gould, who worked in the US, tells a history of the theory of…
LiteratureEvolutionOntogenyEmbryologyMeckel, J. F. (Johann Friedrich), 1781-1833
Charles Darwin's Theory of Pangenesis
By: Yawen Zou
| Published: Jul 20, 2014
In 1868 in England, Charles Darwin proposed his pangenesis theory to describe the units of inheritance between parents and offspring and the…
HeredityDarwin, Charles, 1809-1882ReproductionEvolutionNatural selection
Mitochondria
By: Dorothy R. Haskett
| Published: Jul 05, 2014
All cells that have a nucleus, including plant, animal, fungal cells, and most single-celled protists, also have mitochondria. Mitochondria are…
CellsCell organellesMitochondriaPlant mitochondriaEndosymbiosis
A Child Is Born (1965), by Lennart Nilsson
By: Mark Zhang
| Published: Sep 17, 2013
Dell Publishing in New York City, New York, published Lennart Nilsson's A Child Is Born in 1966. The book was a translation of the Swedish version…
LiteraturedevelopmentPregnancyfetal developmentFetal Growth
Johns Hopkins Fertility Center
By: Aroob Khokhar
| Published: Jul 01, 2010
Johns Hopkins Medical Center, located in Baltimore, Maryland, opened in 1889; its associated medical school opened four years later. Today the…
OrganizationFertilityOrganizationsReproductionmedicine
"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
Epigenetic Landscape
By: Adam R. Navis
| Published: Oct 30, 2007
The epigenetic landscape is a concept representing embryonic development. It was proposed by Conrad Hal Waddington to illustrate the various…
Waddington, C. H. (Conrad Hal), 1905-1975EpigeneticsCell differentiationEmbryologyDevelopmental Biology
Warren Tay (1843–1927)
By: Tiffany Nardi
| Published: May 27, 2017
The arterial switch operation, also called the Jatene procedure, is an operation in which surgeons redirect the flow of blood through abnormal hearts…
TechnologyJatene, AdibTransposition of Great VesselsCongenital Heart DiseaseAorta--Abnormalities