What is "metestrus"

alt. A phase of the oestrus cycle where the signs of oestrogen stimulation subside, the corpus luteum starts to form, and the uterine lining begins to secrete small amounts of progesterone. n. A phase of the oestrus cycle where the signs of oestrogen stimulation subside, the corpus luteum starts to form, and the uterine lining begins to secrete small amounts of progesterone.