WordNet

a straight line that generates a cylinder or cone
one of four substances thought in ancient and medieval cosmology to constitute the physical universe; "the alchemists believed that there were four elements"
the situation in which you are happiest and most effective; "in your element"
the most favorable environment for a plant or animal; "water is the element of fishes"
a result; "this situation developed in response to events in Africa"
a phrase recited or sung by the congregation following a versicle by the priest or minister
the manner in which an electrical or mechanical device responds to an input signal or a range of input signals
violent or severe weather (viewed as caused by the action of the four elements); "they felt the full fury of the elements"
any of a group of steroid hormones that have the effect of progesterone (同)progestogen

PrepTutorEJDIC

〈C〉(物質を構成する)元素 / 〈C〉《修飾語[句]を伴って》(…の)(基本的な)『要素』,『成分』;《しばしば複数形で》構成分子 / 〈C〉(生物に固有の)生息場所,環境;(人の)適所,本領 / 〈C〉《古》四大(しだい)[元素](自然界の基本的構成要素と考えられていた地(earth)・水(water)・風(air)・火(fire)の4大要素の一つ) / 《the elements》(雨・風・雪などの)自然力・風雨,(特に)悪天候 / 《the elements》(学問の)原理,初歩,概論
〈C〉(…に対する)『返事』,『返答』《+『to』+『名』》 / 〈C〉〈U〉(…に対する)『反応』,『反響』《『to』+『名』》 / 〈C〉応答歌,応唱(牧師にならって合唱隊・会衆が短い祈り・歌を応答すること)

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1. エストロゲン・プロゲスチン避妊剤の使用に関する概要 overview of the use of estrogen progestin contraceptives
2. 避妊の概要 overview of contraception
3. 子宮内避妊（IUD）：概要 intrauterine contraception iud overview
4. プロゲステロン受容体モジュレーター（PRM）の薬理学および作用機序 pharmacology and mechanism of action of progesterone receptor modulators prms
5. 緊急避妊剤 emergency contraception

Regulation of gene expression by progesterone in cancer cells: Effects on cyclin D1, EGFR and VEGF.

Hernández-Hernández OT, Camacho-Arroyo I.SourceFacultad de Química, U. N. A. M. Ciudad Universitaria, Coyoacán 04510 México, D. F. México. camachoarroyo@gmail.com.
Mini reviews in medicinal chemistry.Mini Rev Med Chem.2013 Feb 11. [Epub ahead of print]
Progesterone (P4) participates in the regulation of several physiological and pathological processes in mammals through the interaction with its intracellular receptors (PR), which are ligand-dependent transcription factors. Many human cancers depend on P4 for growth and metastasis, especially cance
PMID 23432380

Estradiol antagonism of glucocorticoid-induced GILZ expression in human uterine epithelial cells and murine uterus.

Whirledge S, Cidlowski JA.SourceLaboratory of Signal Transduction, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC 27709, USA.
Endocrinology.Endocrinology.2013 Jan;154(1):499-510. doi: 10.1210/en.2012-1748. Epub 2012 Nov 26.
Sex hormone signaling regulates a variety of functions in the uterine endometrium essential for embryo implantation and immunity. Epithelial cells of the uterine endometrium are the target of the coordinated actions of estradiol (E(2)) and progesterone. However, little information exists regarding t
PMID 23183181

The androgenic anabolic steroid tetrahydrogestrinone produces dioxin-like effects via the aryl hydrocarbon receptor.

Moon HY, Kim SH, Ryu SH, Suh PG.SourceSchool of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology (POSTECH), Pohang 790-784, Republic of Korea.
Toxicology in vitro : an international journal published in association with BIBRA.Toxicol In Vitro.2012 Oct;26(7):1129-33. doi: 10.1016/j.tiv.2012.05.009. Epub 2012 Jun 1.
For a long time, athletes have used androgenic anabolic steroids (AASs) in an inappropriate and veiled manner with the aim of improving exercise performance or for cosmetic purposes. Abuse of AASs triggers adverse effects such as hepatocarcinogenesis, heart attacks, and aggressive behavior. However,
PMID 22664790