Filter my results
Search
Displaying 401 - 410 of 486
Litowitz v. Litowitz (2002)
By: Mark Zhang, Jennifer E. Chapman
| Published: Dec 02, 2013
In a dispute over the allocation of cryopreserved preembryos, the Supreme Court of Washington resolved the case of David J. Litowitz v. Becky M.…
LawFrozen human embryosFertilization in VitroEmbryosPregnancy
Thesis: Human Preconception Sex Selection: Informing the Public of Sex Selection Methods and Ethical Considerations
By: Alysse Blight
| Published: Feb 26, 2021
By questioning methods of sex selection since their early development, and often discovering that they are unreliable, scientists have increased the…
Sex PreselectionSex SelectionEthics, MedicalMedical Ethicsethics
Epigenetic Landscape
By: Adam R. Navis
| Published: Oct 30, 2007
The epigenetic landscape is a concept representing embryonic development. It was proposed by Conrad Hal Waddington to illustrate the various…
Waddington, C. H. (Conrad Hal), 1905-1975EpigeneticsCell differentiationEmbryologyDevelopmental Biology
David Reimer and John Money Gender Reassignment Controversy: The John/Joan Case
By: Phil Gaetano
| Published: Nov 15, 2017
In the mid-1960s, psychologist John Money encouraged the gender reassignment of David Reimer, who was born a biological male but suffered irreparable…
Sex changeGender IdentitypsychologyGenderSexual and Gender Disorders
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
Facial Abnormalities of Fetal Alcohol Syndrome (FAS)
By: Erica O'Neil
| Published: Sep 28, 2010
Prenatal exposure to alcohol (ethanol) results in a continuum of physical, neurological, behavioral, and learning defects collectively grouped under…
fetal alcohol syndromeReproductionHuman Development
Transposition of the Great Arteries (TGA)
By: Daniella Caudle
| Published: Mar 02, 2017
Transposition of the great arteries or TGA is a potentially fatal congenital heart malformation where the pulmonary artery and the aorta are switched…
Transposition of Great VesselsMustard, William T., 1914-1987Congenital Heart DiseaseSenning Operation
Hartsoeker's Homunculus Sketch from Essai de Dioptrique
By: Cera R. Lawrence
| Published: Aug 14, 2008
This embryology image is a pencil sketch by Nicolaas Hartsoeker, published as part of his 1694 French-language paper entitled Essai de Dioptrique, a…
SpermatozoaSperm
"Experiments on the Development of Chick and Duck Embryos, Cultivated in vitro" (1932), by Conrad Hal Waddington
By: Adam R. Navis
| Published: Nov 08, 2007
Conrad Hal Waddington's "Experiments on the Development of Chick and Duck Embryos, Cultivated in vitro," published in 1932 in Philosophical…
Waddington, C. H. (Conrad Hal), 1905-1975ExperimentsChicksDucks
Gastrulation in Gallus gallus (Domestic Chicken)
By: Corinne DeRuiter, Maria Doty
| Published: Jun 21, 2011
Gastrulation is an early stage in embryo development in which the blastula reorganizes into three germ layers: the ectoderm, the mesoderm, and the…
GastrulationChicks