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Nicole Le Douarin and Charles Ordahl's Experiments on the Developmental Lineages of Somites

By: Corinne DeRuiter | Published: Jan 31, 2011

Through various studies developmental biologists have been able to determine that the muscles of the back, ribs, and limbs derive from somites.…

SomitesExperimentsSomatic cellsVertebrates

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

Fate Map

By: Corinne DeRuiter | Published: Sep 08, 2010

Early development occurs in a highly organized and orchestrated manner and has long attracted the interest of developmental biologists and…

Cell Lineage

Mechanism of Notch Signaling

By: Cheryl Lancaster | Published: Aug 21, 2014

Mechanism of Notch Signaling: The image depicts a type of cell signaling, in which two animal cells interact and transmit a molecular signal from o

Notch genesNotch ProteinsCellular control mechanismsdelta proteinSignal Pathways

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

"Induction and Patterning of the Primitive Streak, an Organizing Center of Gastrulation in the Amniote" (2004), by Takashi Mikawa, Alisa M. Poh, Kristine A. Kelly, Yasuo Ishii, and David E. Reese

By: Inbar Maayan | Published: Apr 14, 2011

"Induction and Patterning of the Primitive Streak, an Organizing Center of Gastrulation in the Amniote," (hereafter referred to as "Induction")…

LiteraturePublicationsGastrulationChicksdifferentiation

“Revival of Spermatozoa after Dehydration and Vitrification at Low Temperatures” (1949), by Christopher Polge, Audrey Ursula Smith, and Alan Sterling Parkes

By: Bailey Renee | Published: Oct 05, 2017

In the 1949 article “Revival of Spermatozoa after Dehydration and Vitrification at Low Temperatures,” researchers Christopher Polge, Audrey Ursula…

LiteratureMedical Research Council (Great Britain)GlycerinCryopreservationSpermatozoa

John von Neumann's Cellular Automata

By: | Published: Jun 14, 2010

Cellular automata (CA) are mathematical models used to simulate complex systems or processes. In several fields, including biology, physics, and…

Von Neumann, John, 1903-1957ModelsEvolution

Peter Mazur (1928–2015)

By: Risa Aria Schnebly | Published: Oct 13, 2020

Peter Mazur was a researcher in the US who developed new ways of preserving biological material by freezing it, a process called cryopreservation. If…

Religion and science--HistoryMolecular weightsCryobiologyFreezingFrozen liquids

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