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Gail Roberta Martin (1944– )
By: Lance Villarreal
| Published: Jul 31, 2019
In the twentieth and early twenty-first centuries, Gail Roberta Martin specialized in biochemistry and embryology, more specifically cellular…
EmbryosEmbryos--PhysiologyEmbryos--AnatomyBlastocystRetrovirus Infections
"Control of Corneal Differentiation by Extracellular Materials" (1974), by Stephen Meier and Elizabeth D. Hay
By: Kevin Gleason
| Published: Jun 19, 2017
In 1974, Elizabeth Dexter Hay and Stephen Meier in the US conducted an experiment that demonstrated that the extracellular matrix, the mesh-like…
Extracellular matrixCollagenCorneaEpitheliumEmbryos
Julia Barlow Platt's Embryological Observations on Salamanders' Cartilage (1893)
By: Karina Ramirez
| Published: Mar 06, 2017
In 1893, Julia Barlow Platt published her research on the origins of cartilage in the developing head of the common mudpuppy (Necturus maculosus)…
CartilageEmbryosGastrulationEmbryologyNecturus
Hedgehog Signaling Pathway
By: Dorothy R. Haskett
| Published: Jul 30, 2015
The hedgehog signaling pathway is a mechanism that directs the development of embryonic cells in animals, from invertebrates to vertebrates. The…
EmbryologyEmbryosWieschaus, Eric F.Cellular signal transductionDrosophila melanogaster
Induced Pluripotent Stem Cell Experiments by Kazutoshi Takahashi and Shinya Yamanaka in 2006 and 2007
By: Zane Bartlett
| Published: Jun 01, 2015
In 2006, Kazutoshi Takahashi and Shinya Yamanaka reprogrammed mice fibroblast cells, which can produce only other fibroblast cells, to become…
Stem cells--ResearchStem CellsNobel PrizesEmbryologyDevelopmental Biology
The Y-Chromosome in Animals
By: Dorothy R. Haskett
| Published: May 28, 2015
The Y-chromosome is one of a pair of chromosomes that determine the genetic sex of individuals in mammals, some insects, and some plants. In the…
Y ChromosomeSex ChromosomesEmbryosDNAChromosomes
Amphioxus, and the Mosaic Theory of Development (1893), by Edmund Beecher Wilson
By: James Lowe
| Published: Mar 31, 2015
Edmund Beecher Wilson experimented with Amphioxus (Branchiostoma) embryos in 1892 to identify what caused their cells to differentiate into new types…
Wilson, Edmund B. (Edmund Beecher), 1856-1939AmphioxusEmbryosEmbryologyDevelopmental Biology
Study of Fossilized Massospondylus Dinosaur Embryos from South Africa (1978-2012)
By: Madison Paige
| Published: Mar 31, 2015
In 1978, James Kitching discovered two dinosaur embryos in a road-cut talus at Roodraai (Red Bend) in Golden Gate Highlands National Park, South…
ContextDinosaursDinosaurs--EggsMassospondylus carinatusMassospondylus
Dinosaur Egg Parataxonomy
By: Madison Paige
| Published: Mar 23, 2015
Dinosaur egg parataxonomy is a classification system that organizes dinosaur eggs by descriptive features such as shape, size, and shell thickness.…
DinosaursDinosaurs--EggsPaleobiologyFossilsEmbryos
Experimental Studies on Germinal Localization (1904), by Edmund B. Wilson
By: James Lowe
| Published: Dec 22, 2014
At the turn of the twentieth century, Edmund B. Wilson performed experiments to show where germinal matter was located in molluscs. At Columbia…
Wilson, Edmund B. (Edmund Beecher), 1856-1939EmbryosEmbryologyDevelopmental BiologyLarvae