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Abraham Trembley (1710-1784)
By: Mary E. Sunderland
| Published: Oct 31, 2007
Abraham Trembley's discovery of the remarkable regenerative capacity of the hydra caused many to question their beliefs about the generation of…
PeopleRegenerationBiographyHydra
Jan Swammerdam (1637-1680)
By: Kimberly A. Buettner
| Published: Oct 31, 2007
Jan Swammerdam, known as the founder of the preformation theory based on his extensive research on insect development, was born on 12 February 1637…
PeopleBiography
Karl Ernst von Baer (1792-1876)
By: Kimberly A. Buettner
| Published: Oct 31, 2007
Best known for his contributions to the field of embryology, Karl Ernst von Baer also pursued a variety of other areas of study including medicine,…
PeopleEpigenomicsBiographyEpigenetics
Organisers and Genes (1940), by Conrad Hal Waddington
By: Adam R. Navis
| Published: Oct 30, 2007
Conrad Hal Waddington's Organisers and Genes, published in 1940, is a summary of available research and theoretical framework for many concepts…
LiteratureOrganizers, EmbryonicPublicationsdifferentiation
Mizuko Kuyo
By: Benjamin Garcia, Katherine Brind'Amour
| Published: Oct 30, 2007
Mizuko Kuyo is a Japanese Buddhist ceremony that focuses on a deceased fetus or stillborn child. This ceremony was originally developed to honor Jizo…
Fetal propitiatory rites--BuddhismAbortionFetusStillbirthBuddhism
Quickening
By: Katherine Brind'Amour
| Published: Oct 30, 2007
Quickening, the point at which a pregnant woman can first feel the movements of the growing embryo or fetus, has long been considered a pivotal…
Human DevelopmentethicsReproductionFetusAbortion
Chemical Induction
By: Adam R. Navis
| Published: Oct 30, 2007
Research in chemical induction seeks to identify the compound or compounds responsible for differentiation in a developing embryo. Soren Lovtrup…
Cell differentiationEmbryosDevelopmental BiologyNotochordWaddington, C. H. (Conrad Hal), 1905-1975
Syncytial Theory
By: Adam R. Navis
| Published: Oct 30, 2007
The syncytial theory of neural development was proposed by Victor Hensen in 1864 to explain the growth and differentiation of the nervous system.…
Hensen, Victor, 1835-1924Nervous SystemNeurons
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
Nerve Growth Factor
By: Adam R. Navis
| Published: Oct 30, 2007
Nerve growth factor (NGF) is a signaling protein and growth factor implicated in a wide range of development and maintenance functions. NGF was…
Nerve Growth FactorChicks