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THE EMBRYO PROJECT ENCYCLOPEDIA

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

Recently published

“Partial Paralysis from Reflex Irritation, Caused by Congenital Phimosis and Adherent Prepuce” (1870), by Lewis Albert Sayre

Jan 14, 2026

In 1870, Lewis Albert Sayre, an orthopedic surgeon, published “Partial Paralysis from Reflex Irritation, Caused by Congenital Phimosis and Adherent…

Paralysis Phimosis Circumcision, Male

“Mortality and Morbidity in Transsexual Patients with Cross-Gender Hormone Treatment” (1989) by Henk Asscheman, Louis J. G. Gooren, and P. L. E. Eklund

Jan 14, 2026

In 1989, physicians Henk Asscheman, Louis J. G. Gooren, and P.L.E. Eklund published the article “Mortality and Morbidity in Transsexual Patients with…

Transgender Persons Hormones Estrogens

“Exposure to Perﬂuoroalkyl Substances in a Cohort of Women Firefighters and Office Workers in San Francisco” (2020), by Jessica Trowbridge and Colleagues

Aug 14, 2025

In 2020, Jessica Trowbridge and colleagues published “Exposure to Perﬂuoroalkyl Substances in a Cohort of Women Firefighters and Office Workers in…

Firefighters Fluorocarbons Occupational Exposure

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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.