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"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
Essay: Homology
By: Ingo Brigandt
| Published: Nov 23, 2011
Homology is a central concept of comparative and evolutionary biology, referring to the presence of the same bodily parts (e.g., morphological…
Homology (Biology)Morphology
Barbara McClintock's Transposon Experiments in Maize (1931–1951)
By: Federica Turriziani Colonna
| Published: Feb 09, 2017
Barbara McClintock conducted experiments on corn (Zea mays) in the United States in the mid-twentieth century to study the structure and function of…
TransposonsCornCytogeneticsChromosomesGenetics
"The Developmental Capacity of Nuclei Taken from Intestinal Epithelium Cells of Feeding Tadpoles" (1962), by John B. Gurdon
By: Giselle Lee
| Published: Mar 16, 2017
In 1962 researcher John Bertrand Gurdon at the University of Oxford in Oxford, England, conducted a series of experiments on the developmental…
Cell nuclei--TransplantationGenetic EngineeringNuclear TransplantationUniversity College (University of Oxford)Xenopus laevis
Curt Jacob Stern (1902-1981)
By: Dasia Garcia
| Published: Jun 23, 2017
Curt Jacob Stern studied radiation and chromosomes in humans and fruit flies in the United States during the twentieth century. He researched the…
ChromosomesHeredityMitosisDrosophilaDrosophila melanogaster
MicroSort
By: Alysse Blight
| Published: Jul 09, 2019
"MicroSort, developed in 1990 by the Genetics and IVF Institute, is a form of pre-conception sex selection technology for humans. Laboratories…
Technologyin vitroFertilization in vitro, HumanFertilization in VitroSperm donors
Congenital Vertebral Defects
By: Corinne DeRuiter
| Published: Sep 12, 2010
The spinal column is the central structure in the vertebrate body from which stability, movement, and posture all derive. The vertebrae of the spine…
Congenital, Hereditary, and Neonatal Diseases and AbnormalitiesReproductionVertebratesCongenital Disorders
“Human Pregnancy Following Cryopreservation, Thawing and Transfer of an Eight-Cell Embryo” (1983), by Alan Trounson and Linda Mohr
By: Whitney Alexandra Tuoti, Devangana Shah
| Published: Jul 10, 2024
In 1983, researchers Alan Trounson and Linda Mohr published the article “Human Pregnancy Following Cryopreservation, Thawing and Transfer of an Eight…
CryopreservationFertilization in VitroInfertilityFertility PreservationCryoprotective Agent
Fetal Programming
By: Carrie Keller
| Published: Nov 03, 2020
Fetal programming, or prenatal programming, is a concept that suggests certain events occurring during critical points of pregnancy may cause…
Diabetes in pregnancyMaternal-Fetal ExchangeMetabolism in pregnancyMaternal-Fetal MedicineMothers--Nutrition
Torsten Wiesel (1924– )
By: Dina A. Lienhard
| Published: Sep 13, 2017
Torsten Nils Wiesel studied visual information processing and development in the US during the twentieth century. He performed multiple experiments…
VisionVisual pathwaysNobel Prize winnersNeural networks (Neurobiology)Neural Receptors