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The Inheritance of Acquired Characteristics (1924), by Paul Kammerer
By: Federica Turriziani Colonna
| Published: Mar 31, 2015
The Inheritance of Acquired Characteristics is a book published in 1924, written by Paul Kammerer, who studied developmental biology in Vienna,…
LiteratureInheritance of acquired charactersEvolution (Biology)adaptationsLaboratory animals--Breeding--Experiments
Ovum Humanum: Growth, Maturation, Nourishment, Fertilization and Early Development (1960), by Landrum Brewer Shettles
By: Stephen C. Ruffenach
| Published: Jul 21, 2009
Ovum Humanum was written and compiled by Dr. Landrum Brewer Shettles while he worked as a doctor in New York. The publication contains an atlas of…
LiteraturePublicationsReproductionHuman DevelopmentOva
Oral Glucose Tolerance Test for Gestational Diabetes
By: Alison Lane
| Published: Dec 09, 2020
In the twentieth century, researchers developed the oral glucose tolerance test, or OGTT, as a method to diagnose different types of diabetes, a…
TechnologyDiagnosisDiabetes--DiagnosisGlucose tolerance testsBlood Glucose
The Notch Signaling Pathway in Embryogenesis
By: Justin Wolter
| Published: Mar 06, 2013
The Notch signaling pathway is a mechanism in animals by which adjacent cells communicate with each other, conveying spatial information and genetic…
EmbryologyDevelopmental BiologyEmbryosCell differentiationNotch genes
Boris Ephrussi (1901-1979)
By: Divyash Chhetri
| Published: Sep 15, 2014
Boris Ephrussi studied fruit flies, yeast, and mouse genetics and development while working in France and the US during the twentieth century. In…
Transplantation of organs, tissues, etc.MutationTissue cultureDrosophilaTissue Transplantation
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…
Regeneration
"Experiments on Artificial Parthenogenesis in Annelids (Chaetopterus) and the Nature of the Process of Fertilization" (1901), by Jacques Loeb
By: Steve Elliott
| Published: Jun 10, 2009
Jacques Loeb showed that scientists could achieve artificial parthenogenesis with some types of annelid worm eggs through a series of experiments in…
ParthenogenesisExperimentsWorms
Hamlin Fistula Ethiopia (1974- )
By: Patsy Ciardullo
| Published: Apr 13, 2015
Hamlin Fistula Ethiopia is a nonprofit organization that began in 1974 as a joint endeavor by Reginald and Catherine Hamlin and the Addis Ababa…
OrganizationHamlin, CatherineAddis Ababa Fistula HospitalVesicovaginal FistulaFistula
Eric Wieschaus (1947- )
By: May Catherine, Justin M. Wolter
| Published: Apr 29, 2014
Eric Wieschaus studied how genes cause fruit fly larvae to develop in the US and Europe during the twentieth and twenty-first centuries. Using the…
Drosophila melanogasterGeneticsGenetic Screening
Cocaine as a Teratogen
By: Mark Zhang, Chanapa Tantibanchachai
| Published: Oct 17, 2013
Cocaine use by pregnant women has a variety of effects on the embryo and fetus, ranging from various gastro-intestinal and cardiac defects to tissue…
CocaineCocaine abusePregnancyEmbryosFetus