estrogen

plural estrogens · alternative Commonwealth oestrogen · alternative dated œstrogen

1. countableuncountablesteroidsbiochemistryAny of a group of steroids that are secreted by the ovaries and function as female sex hormones.

   Amies Oelschlager said in a statement that oral contraceptives that contain estrogen may cause side effects such as headaches, nausea, and breast tenderness.

   2023 July 21, Amanda Musa, “The FDA approved the US’ first over-the-counter birth control pill. What happens next?”, in CNN

   2 more examples

   secondly, in many hormone-target organ interactions including the effect of estrogen on rat uterus, growth hormone and hydrocortisone on rat liver and thyroid hormone on toadpole liver, newly formed microsomes have been isolated which have increased protein synthesizing ability (Tata, 1968).

   1970, Harvey W. Mohrenweiser, Role of Hormones in Controlling Ribonucleic Acid Synthesis During Lactogenesis, Michigan State University. Departments of Biochemistry and Dairy, page 36

   It is known as Hatschek's pit and has been found to react positively to antibodies against substance P, met-enkephalin, cholecystokinin (CCK), mammalian luteinizing hormone (LH), and the enzyme aromatase (P450ₐᵣₒ), which converts certain androgens into estrogens (see Chapter 3).

   2013, David O. Norris, Vertebrate Endocrinology, page 151

   Synonyms: E, estro