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Ectoderm
By: Kate MacCord
| Published: Dec 02, 2013
Ectoderm is one of three germ layers--groups of cells that coalesce early during the embryonic life of all animals except maybe sponges, and from…
EmbryosEmbryologyGastrulationCellsTissues
Possums (1952), by Carl G. Hartman
By: Gia Goodman, Karen Wellner
| Published: Dec 02, 2013
Possums is a 174-page book consisting of a series of essays written about the Virginia opossum (Didelphis virginiana), the only living marsupial in…
LiteratureVirginia opossumEmbryologyMarsupialsNatural history
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
Mesoderm
By: Kate MacCord
| Published: Nov 26, 2013
Mesoderm is one of the three germ layers, groups of cells that interact early during the embryonic life of animals and from which organs and tissues…
MesodermGastrulationCell differentiationCellsTissues
Ferguson v. City of Charleston (2001)
By: Chanapa Tantibanchachai
| Published: Nov 26, 2013
The US Supreme Court case Ferguson v. City of Charleston (2001) established that public hospitals couldn't legally drug test pregnant women without…
LawReproductive RightsPregnancyEmbryosDrug testing
Thomas Henry Huxley (1825-1895)
By: Samantha Hauserman
| Published: Nov 26, 2013
In nineteenth century Great Britain, Thomas Henry Huxley proposed connections between the development of organisms and their evolutionary histories,…
PeopleDarwin, Charles, 1809-1882EvolutionpaleontologyEmbryology
Rosalind Elsie Franklin (1920-1958)
By: Lindsey O'Connell
| Published: Nov 17, 2013
Rosalind Elsie Franklin worked with X-ray crystallography at King's College London, UK, and she helped determine the helical structure of DNA in the…
PeopleDNAX-Ray CrystallographyMolecular geneticsMolecular Biology
J. B. v. M. B. (2001)
By: Jennifer E. Chapman
| Published: Nov 17, 2013
In 2001, the Supreme Court of New Jersey decided a dispute between a divorced couple over cryopreserved preembryos created through in vitro…
LawFrozen human embryosFertilization in VitroPregnancyEmbryos
Endoderm
By: Kate MacCord
| Published: Nov 17, 2013
Endoderm is one of the germ layers-- aggregates of cells that organize early during embryonic life and from which all organs and tissues develop.…
GastrulationEmbryosEmbryologyCellsTissues
A. Z. v. B. Z. (2000)
By: Jennifer E. Chapman
| Published: Nov 01, 2013
In A.Z. v. B.Z. (2000), the Supreme Judicial Court of Massachusetts in Boston, Massachusetts, affirmed a lower courtÕs decision, ruling that…
LawFrozen human embryosFertilization in VitroPregnancyEmbryos