In a separate study, Paul Micevych and his colleagues at the University of California, Los Angeles, investigated the effect on the brain of the female rat's sexual cycle — characterised by an increase in
oestradiol production every four days.
Not exact matches
The cells from the ovaries, on the other hand, showed no change in their
production of the hormones progesterone and
oestradiol.
Neutering in female dogs reduces the
production of progesterone and
oestradiol, which may have a controlling effect on compulsions.