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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
"Transfer of Fetal Cells with Multilineage Potential to Maternal Tissue" (2004), by Kiarash Khosrotehrani et al.
By: Alexis Abboud
| Published: Nov 14, 2014
In 2004, a team of researchers at Tufts-New England Medical Center in Boston, Massachusetts, investigated the fetal cells that remained in the…
CellsStem CellsMaternal-Fetal ExchangeFetal cells from maternal bloodFetus
The Hayflick Limit
By: Zane Bartlett
| Published: Nov 14, 2014
The Hayflick Limit is a concept that helps to explain the mechanisms behind cellular aging. The concept states that a normal human cell can only…
CellsCell populationsCell DeathApoptosisCell Proliferation
John Bertrand Gurdon (1933- )
By: Inbar Maayan, Sean Cohmer
| Published: Oct 11, 2012
Sir John Bertrand Gurdon further developed nuclear transplantation, the technique used to clone organisms and to create stem cells, while working in…
Cell nuclei--TransplantationCellsCloningStem CellsEmbryonic Stem Cells
Leonard Hayflick (1928- )
By: Zane Bartlett
| Published: Jul 20, 2014
Leonard Hayflick studied the processes by which cells age during the twentieth and twenty-first centuries in the United States. In 1961 at the Wistar…
PeopleCellsCell populationsCell DeathApoptosis
Apoptosis in Embryonic Development
By: Zane Bartlett
| Published: Jun 08, 2017
Apoptosis, or programmed cell death, is a mechanism in embryonic development that occurs naturally in organisms. Apoptosis is a different process…
ApoptosisGenetic regulationCaenorhabditis elegansCellsGerm Cells