Repropedia

A Reproductive Lexicon

NOTICE:

Ownership of this website has been transferred from Northwestern University to Michigan State University.
Please note that some site information may be inaccurate while adjustments to reflect this organizational change are made.

MOOC Advertisement

Learn More:
Get An Introduction to Reproduction

Learn more about the science of reproduction. Dr. Teresa Woodruff, creator of Repropedia, is offering a free online course exploring the world of reproduction.

Get Started!

aspermia

The complete lack of semen in ejaculate. Men who experience this disorder may have the ability to orgasm, however, semen is not released at this time.