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John Philip Trinkaus (1918-2003)
By: Ellen M. DuPont
| Published: May 31, 2010
John Philip Trinkaus studied the processes of cell migration and gastrulation, especially in teleost fish, in the US during the twentieth century.…
PeopleGastrulationBiographyMorphogenesis
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
Gastrulation in Mus musculus (common house mouse)
By: Justin M. Wolter
| Published: Oct 04, 2012
As mice embryos develop, they undergo a stage of development called gastrulation. The hallmark of vertebrate gastrulation is the reorganization of…
GastrulationMiceGerm CellsSomatic embryogenesisEmbryos
Gastrulation in Xenopus
By: Inbar Maayan
| Published: Mar 10, 2011
The process of gastrulation allows for the formation of the germ layers in metazoan embryos, and is generally achieved through a series of complex…
Haeckel, Ernst, 1834-1919GastrulationAmphibiansFrogs
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
Ectoderm
By: Kate MacCord
| Published: Dec 02, 2013
Ectoderm is one of three germ layers--groups of cells that coalesce early during the embryonic life of all animals except maybe sponges, and from…
EmbryosEmbryologyGastrulationCellsTissues
Endoderm
By: Kate MacCord
| Published: Nov 17, 2013
Endoderm is one of the germ layers-- aggregates of cells that organize early during embryonic life and from which all organs and tissues develop.…
GastrulationEmbryosEmbryologyCellsTissues
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