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"Visualizing Human Embryos" (1999), by Bradley Richard Smith
By: Sarah Ly
| Published: Mar 27, 2011
In March 1999 Bradley Richard Smith, a professor at the University of Michigan, unveiled the first digital magnetic resonance images of human embryos…
Magnetic resonance microscopyMagnetic resonance imagingPublicationsMicroscopyModels
Life's Greatest Miracle (2001), by Julia Cort and NOVA
By: Inbar Maayan
| Published: Nov 20, 2010
The Public Broadcasting Station (PBS) documentary Life's Greatest Miracle (abbreviated Miracle, available at http://www.pbs.org/wgbh/nova/miracle/…
LiteratureHuman DevelopmentReproductionMovies
Charles Darwin's Theory of Pangenesis
By: Yawen Zou
| Published: Jul 20, 2014
In 1868 in England, Charles Darwin proposed his pangenesis theory to describe the units of inheritance between parents and offspring and the…
HeredityDarwin, Charles, 1809-1882ReproductionEvolutionNatural selection
Parasitic Twins
By: Corinne DeRuiter
| Published: Aug 16, 2011
Parasitic twins, a specific type of conjoined twins, occurs when one twin ceases development during gestation and becomes vestigial to the fully…
Twins, ConjoinedReproductionFetusCongenital DisordersHuman Development
Thomas Hunt Morgan's Definition of Regeneration: Morphallaxis and Epimorphosis
By: Mary E. Sunderland
| Published: Jun 09, 2009
For Thomas Hunt Morgan clarity was of utmost importance. He was therefore frustrated with the many disparate, disconnected terms that were used to…
Morgan, Thomas Hunt, 1866-1945Regeneration
Roger Wolcott Sperry (1913–1994)
By: Dina A. Lienhard
| Published: Feb 26, 2018
Roger Wolcott Sperry studied the function of the nervous system in the US during the twentieth century. He studied split-brain patterns in cats and…
Split brainCorpus callosumEpilepsySplit-Brain ProcedureNeurons
James Marion Sims's Treatment of Vesico-Vaginal Fistula
By: Amanda Andrei
| Published: Apr 12, 2013
James Marion Sims developed a treatment for vesico-vaginal fistulas in Montgomery, Alabama in the 1840s. Vesico-vaginal fistulas were a relatively…
TechnologySpeculum (Medicine)Fistula, Vesico-vaginalSurgeryGynecology
Penicillin
By: Srivatsan Swaminathan
| Published: Aug 12, 2024
Penicillin is a type of drug called an antibiotic that can treat bacterial infections by killing the bacteria or making it difficult for the bacteria…
Antibiotics, PenicillinStaphylococcusAntibacterial Drug ResistanceSyphilisDrug Development
Eugen Steinach (1861–1944)
By: Federica Turriziani Colonna, Claudia Nunez-Eddy
| Published: Feb 16, 2017
Eugen Steinach researched sex hormones and their effects on mammals in the late nineteenth and early twentieth centuries in Europe. He experimented…
Hormones, SexGenerative organsGenital OrgansGonadal Steroid HormonesTesticular Hormones
Epithelium
By: Kate MacCord
| Published: Oct 17, 2012
Frederik Ruysch, working in the Netherlands, introduced the term epithelia in the third volume of his Thesaurus Anatomicus in 1703. Ruysch created…
EpitheliumRuysch, Frederik, 1638-1731AnatomyCells--MorphologyHis, Wilhelm, 1831-1904