an embryo floating on a blue background


Displaying 81 - 90 of 823

Christiane Nusslein-Volhard (1942- )

By: May Catherine, Jack Resnik | Published: Feb 16, 2012

Christiane Nusslein-Volhard studied how genes control embryonic development in flies and in fish in Europe during the twentieth and twenty-first…

DrosophilaEmbryologyGenesMorphogenesisRNA polymerases

The Hedgehog Signaling Pathway in Vertebrates 

By: Dorothy Regan Haskett | Published: Jun 27, 2016

The hedgehog signaling pathway is a mechanism that regulates cell growth and differentiation during embryonic development, called embryogenesis, in…

Drosophila melanogasterCyclopiaGenetic regulationZebra danioGenes

The Origin of Species: "Chapter Thirteen: Mutual Affinities of Organic Beings: Morphology: Embryology: Rudimentary Organs" (1859), by Charles R. Darwin

By: M. Elizabeth Barnes | Published: Jul 11, 2014

Mutual Affinities of Organic Beings: Morphology: Embryology: Rudimentary Organs is the thirteenth chapter of Charles Darwin's book The Origin of…

LiteratureEvolutionEvolution (Biology)Natural selectionEmbryology

Stazione Zoologica Anton Dohrn, Naples, Italy

By: Federica Turriziani Colonna | Published: Dec 22, 2014

The Stazione Zoologica Anton Dohrn (Anton Dohrn Zoological Station) is a public research institute focusing on biology and biodiversity. Hereafter…

OrganizationStazione zoologica di NapoliDevelopmental BiologyZoologyEmbryology

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

"The Cell-Theory" (1853), by Thomas Henry Huxley

By: Samantha Hauserman | Published: Dec 12, 2013

The Cell-Theory was written by Thomas Henry Huxley in Britain and published in 1853 by The British and Foreign Medico-Chirurgical Review. The twenty-…

LiteratureEpigeneticsEmbryologyHuxley, Thomas Henry, 1825-1895Cellular control mechanisms

James G. Wilson's Six Principles of Teratology

By: S. Alexandra Aston | Published: May 23, 2014

James Graves Wilson's six principles of teratology, published in 1959, guide research on teratogenic agents and their effects on developing organisms…

TeratologyAbnormalities, HumanCongenital AbnormalitiesBirth DefectsCongenital Defects

The Effects of Diethylstilbestrol on Embryonic Development

By: Tristan Cooper-Roth | Published: Sep 12, 2010

Estrogen plays a key role in the regulation of gene transcription. This is accomplished by its ability to act as a ligand and to bind to specific…

DiethylstilbestrolEstrogenHuman Development

The Gradient Theory

By: Mary E. Sunderland | Published: Aug 01, 2009

The gradient theory is recognized as Charles Manning Child's most significant scientific contribution. Gradients brought together Child's interest…


"National Institutes of Health Consensus Development Conference Statement September 22–24, 1980” (1980), by the National Institutes of Health

By: Sarah Foster | Published: Jul 25, 2017

In 1980 the US National Institutes of Health (NIH) and the US National Institute of Child Health and Human Development (NICHD) released a report…

LiteratureCesarean SectionCesarean section--ComplicationsObstetricsFetus

Filter my results