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Mitochondria
By: Dorothy R. Haskett
| Published: Jul 05, 2014
All cells that have a nucleus, including plant, animal, fungal cells, and most single-celled protists, also have mitochondria. Mitochondria are…
CellsCell organellesMitochondriaPlant mitochondriaEndosymbiosis
Studies of Thalidomide's Effects on Rodent Embryos from 1962-2008
By: Joanna Yang, Chanapa Tantibanchachai
| Published: Mar 07, 2014
Thalidomide is a sedative drug introduced to European markets on 1 October 1957 after extensive testing on rodent embryos to ensure its safety. Early…
ContextTeratogenicity testingAbnormalities, HumanThalidomide--Side effectsThalidomide
A Fate Map of the Chick Embryo
By: Chinami Michaels
| Published: Feb 26, 2014
A 3-D fate map of the chicken (Gallus gallus) embryo with the prospective point of ingression and yolk.
GastrulationBlastodermChickensEpiblastPrimitive Streak
The Blastoderm in Chicks During Early Gastrulation
By: Chinami Michaels
| Published: Feb 26, 2014
This image shows a chicken (Gallus gallus) embryo undergoing gastrulation in stage four (18-19 hrs after laying) according to the Hamburger-Hamilto
GastrulationBlastodermChickensEpiblastPrimitive Streak
Frog Embryo in the Blastula Stage
By: Chinami Michaels
| Published: Dec 16, 2013
Illustration of the animal-vegetal gradient in Xenopus laevis ( African clawed frog) eggs after fertilization.
BlastulaOrganisms
The Process of Gastrulation in Frog Embryos
By: Chinami Michaels
| Published: Dec 13, 2013
Illustration of the movement of the three hemispheres of cells, the animal cap (dark green) the marginal zone (lime green) and the ventral cap (yel
BlastulaGastrulationEctodermEndodermOrganisms
Golden Rice
By: Marci Baranski
| Published: Sep 17, 2013
Golden Rice was engineered from normal rice by Ingo Potrykus and Peter Beyer in the 1990s to help improve human health. Golden Rice has an engineered…
TechnologyRiceBiotechnologyGenesMolecular Biology
"How do Embryos Assess Risk? Vibrational Cues in Predator-Induced Hatching of Red-Eyed Treefrogs" (2005), by Karen Warkentin
By: Karla T. Moeller
| Published: Apr 07, 2012
In 'How do Embryos Assess Risk? Vibrational Cues in Predator-Induced Hatching of Red-Eyed Treefrogs' (2005), Karen Warkentin reported on experiments…
EmbryosRed-eyed treefrogPredation (Biology)Science experimentsAmphibians--Eggs
Dictyostelium discoideum
By: Mary E. Sunderland
| Published: Jun 10, 2009
Dictyostelium discoideum is a cellular slime mold that serves as an important model organism in a variety of fields. Cellular slime molds have an…
DictyosteliidaOrganismsSlime mold development video by John Tyler Bonner
By: John Tyler Bonner
This video is composed of a sequence of time lapse films created by John Tyler Bonner in the 1940s to show the life cycle of the cellular slime mol
Dictyostelium discoideumGrowth and DevelopmentOrganisms