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Neural Crest
By: M. Elizabeth Barnes
| Published: Sep 15, 2014
Early in the process of development, vertebrate embryos develop a fold on the neural plate where the neural and epidermal ectoderms meet, called the…
VertebratesdevelopmentGerm LayersNeural CrestNeural Crest Cells
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
Embryonic Differentiation in Animals
By: Sarah Ly
| Published: Mar 03, 2011
Embryonic differentiation is the process of development during which embryonic cells specialize and diverse tissue structures arise. Animals are made…
differentiation
"Experiments on Embryonic Induction III. A Note on Inductions by Chick Primitive Streak Transplanted to the Rabbit Embryo" (1934), by Conrad Hal Waddington
By: Adam R. Navis
| Published: Oct 30, 2007
Conrad Hal Waddington's "Experiments on Embryonic Induction III," published in 1934 in the Journal of Experimental Biology, describes the discovery…
Waddington, C. H. (Conrad Hal), 1905-1975EmbryosCell differentiationEmbryologyChickens--Embryos
Morphogenesis
By: Mary E. Sunderland
| Published: May 09, 2008
The term morphogenesis generally refers to the processes by which order is created in the developing organism. This order is achieved as…
Morphogenesisdifferentiation
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
Effects of Prenatal Alcohol Exposure on Ocular Development
By: Erica O'Neil
| Published: May 04, 2011
Maternal consumption of alcohol (ethanol) can result in a range of alcohol-induced developmental defects. In humans, those collective birth defects…
fetal alcohol syndromeReproductionHuman Development
Developmental Timeline of Alcohol-Induced Birth Defects
By: Erica O'Neil
| Published: Apr 24, 2011
Maternal consumption of alcohol (ethanol) during pregnancy can result in a continuum of embryonic developmental abnormalities that vary depending on…
fetal alcohol syndromeReproductionHuman Development
The e-Mouse Atlas Project (1992- )
By: Shawn A. Miller
| Published: Jun 11, 2014
The Edinburgh Mouse Atlas, also called the e-Mouse Atlas Project (EMAP), is an online resource comprised of the e-Mouse Atlas (EMA), a detailed…
TechnologyEmbryosDatabases, GeneticdevelopmentGene Expression
"β-Catenin Defines Head Versus Tail Identity During Planarian Regeneration and Homeostasis" (2007), by Kyle A. Gurley, Jochen C. Rink, and Alejandro Sánchez Alvarado
By: Mary E. Sunderland
| Published: Mar 15, 2010
Alejandro Sánchez Alvarado's laboratory group has employed molecular tools to investigate old questions about regeneration and as a result have…
RegenerationExperiments