Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Photographs of rats displaying sexual behaviors. An estradiol-treated ovariectomized female rat displays lordosis in response to the mounting of a vigorous male rat (A,B). An estradiol-treated castrated male rat does not exhibit lordosis (C). However, an estradiol-treated castrated male exhibits lordosis when the lateral septum is surgically destructed (D).
