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Home
Subjects
genitalia
genitalia
Are the Brains of Transgender People Different from Those of Cisgender People?
Shawna Williams | Mar 1, 2018
Research into the biological basis of gender identity is in its infancy, but clues are beginning to emerge.
Image of the Day: Beetle Penis
The Scientist
Staff, The Scientist Staff | Dec 22, 2017
Scientists look to a leaf beetle’s genitals for lessons on improving catheter strength.
First US Penis Transplant
Tanya Lewis | May 16, 2016
A man who lost his penis due to cancer has received the organ from a deceased donor.
Evolution of the Penis
Kerry Grens | Oct 30, 2015
A phallus-less reptile goes through a developmental stage with external genitalia, suggesting a common origin for the organ among amniotes.
A Case of Sexual Ambiguity, 1865
Amanda B. Keener | Aug 1, 2015
This year marks the 150th anniversary of an autopsy report describing the first known case of a sexual development disorder.
A Tale of Two Genitals
Bob Grant | Nov 5, 2014
The genitalia of mammals and reptiles develop from two different tissues, but the structures share common genetic programs and molecular induction signals.
Spineless Sex
The Scientist
Staff | Jul 1, 2014
Not to be outdone by vertebrates, invertebrates employ a suite of interesting structures and behaviors to accomplish procreation.