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THE EMBRYO PROJECT ENCYCLOPEDIA

Recording and contextualizing the science of embryos, development, and reproduction

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Gomco Circumcision Clamp

Aug 12, 2025

The Gomco circumcision clamp is a metal device that medical practitioners use to perform circumcision, or the removal of the foreskin of the penis.…

Circumcision, Male Male circumcision Foreskin

Non-Therapeutic Infant Circumcision

Aug 12, 2025

Non-therapeutic infant circumcision is the surgical removal of healthy foreskin from a male infant, often shortly after birth, for the purpose of…

Circumcision, Male Male circumcision Masturbation

“Identification of a Cancer Stem Cell in Human Brain Tumors” (2003), by Sheila Singh, Ian Clarke, Mizuhiko Terasaki, Victoria Bonn, Cynthia Hawkins, Jeremy Squire, Peter Dirks

Aug 11, 2025

In 2003, Sheila Singh and colleagues published “Identification of a Cancer Stem Cell in Human Brain Tumors” in the journal Cancer Research. The study…

Brain Tumors Adult Stem Cells Stem Cell Research

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The Embryo Project is supported by the National Science Foundation, Arizona State University, Center for Biology and Society, the Max Planck Institute for the History of Science in Berlin, and the MBL WHOI Library.