estrogen

noun

primary female sex hormone in mammals, as well as a medication, is responsible for the development and regulation of the female reproductive system and secondary sex characteristics

Wiktionary

Pronunciation: /ˈɛstɹəd͡ʒən/ / /ˈiːstɹəd͡ʒən/

noun

Etymology: Etymology tree Proto-Indo-European *h₁eysh₂-der. Ancient Greek οἶστρος (oîstros)der. Latin oestrusbor. English estrus Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English estro- Proto-Indo-European *ǵenh₁- Proto-Indo-European *-os Proto-Indo-European *ǵénh₁os Proto-Hellenic *génos Ancient Greek γένος (génos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -γενής (-genḗs)lbor. French -gènebor. English -gen English estrogen From estro- (estrus) + -gen (“a producer of”).

Any of a group of steroids that are secreted by the ovaries and function as female sex hormones.
“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).”
“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).”