In Mammals - The uterus is the portion of the female reproductive tract where the young develop during pregnancy;
In Birds - The uterus is the the portion of the reproductive tract where the shell is put on the egg (also known as the shell gland)
These resources are brought to you by the Cooperative Extension System and your Local Institution
eXtension is an interactive learning environment delivering the best, most researched knowledge from the smartest land-grant university minds across America.
eXtension: more mind reachHave a question? Try asking one of our Experts
Unlike most other resources on the web, we have experts from Universities around the country ready to answer your questions.