Oestrogen

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Oestrogen is present in all vertebrates and some insects. It is a [[Steroid|steroid hormone]], produced in the [[Ovaries|ovaries]], and it is most commonly recognised as a female sex [[Hormone|hormone]] but it is also secreted in small amounts in men by the testis. It is part of the [[Estrous cycle|estrous cycle]] which helps to control the [[Menstrual Cycle|menstrual cycle]]. The primary function in women is in the development of the gonads, [https://teaching.ncl.ac.uk/bms/wiki/index.php/Endometrium endometrium], mammary glands and that of female secondary sexual charactes favoring for example, the [https://en.wikipedia.org/wiki/Osteoblast osteoblastic] activity. It can be used as a birth control method and is in the [[Combined pill|combined pill]]. It is also present during [[Pregnancy|pregnancy]] when it is produced by the [[Placenta|placenta]].    
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Oestrogen is present in all vertebrates and some insects. It is a [[Steroid|steroid hormone]], produced in the [[Ovaries|ovaries]], and it is most commonly recognised as a female sex [[Hormone|hormone]] but it is also secreted in small amounts in men by the testis. It is part of the [[Estrous cycle|estrous cycle]] which helps to control the [[Menstrual Cycle|menstrual cycle]]. The primary function in women is in the development of the gonads, [[Endometrium|endometrium]], mammary glands and that of female secondary sexual characters favouring for example, the [[Osteoblastic|osteoblastic]] activity. It can be used as a birth control method and is in the [[Combined pill|combined pill]]. It is also present during [[Pregnancy|pregnancy]] when it is produced by the [[Placenta|placenta]].    
  
 
Non-steroidal oestrogens can also be synthesised. These fall into three categories: [[Phytoestrogens|Phytoestrogens]], [[Xenoestrogens|Xenoestrogens]] and [[Mycoestrogens|Mycoestrogens]].   
 
Non-steroidal oestrogens can also be synthesised. These fall into three categories: [[Phytoestrogens|Phytoestrogens]], [[Xenoestrogens|Xenoestrogens]] and [[Mycoestrogens|Mycoestrogens]].   
  
Oestrogen can also have effects on some [[Cancer|cancers]] and womens [[Mental health|mental health]]&nbsp;<ref>Litwack, G., Vol. 71, 2005, Vitamins and Hormones. Burlington: Elsevier</ref>.  
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Oestrogen can also have effects on some [[Cancer|cancers]] and womens [[Mental health|mental health]]<ref>Litwack, G., Vol. 71, 2005, Vitamins and Hormones. Burlington: Elsevier</ref>.  
  
The secretion of oestrogens is controlled by the [https://teaching.ncl.ac.uk/bms/wiki/index.php?title=Hypotalamus&action=edit&redlink=1 hypotalamus] and the [https://teaching.ncl.ac.uk/bms/wiki/index.php/Pituitary_gland pituitary gland] through [https://teaching.ncl.ac.uk/bms/wiki/index.php?title=Gonadotrophin-releasing_hormone&action=edit&redlink=1 gonadotrophin-releasing hormone],&nbsp;[https://teaching.ncl.ac.uk/bms/wiki/index.php/Follicle-stimulating_Hormone follicle stimulating hormone](FSH) and [https://teaching.ncl.ac.uk/bms/wiki/index.php?title=Luteinising&action=edit&redlink=1 luteinising hormone] (LH)<ref>Follicle stimulating hormone | You and Your Hormones from the Society for Endocrinology [Internet]. Yourhormones.info.[cited 6 December 2018]. Available from: http://www.yourhormones.info/hormones/follicle-stimulating-hormone/</ref>.<br>.<br> === References&nbsp; === <references />
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The secretion of oestrogens is controlled by the [[Hypotalamus|hypotalamus]] and the [[Pituitary gland|pituitary gland]] through [[Gonadotrophin-releasing hormone|gonadotrophin-releasing hormone]],&nbsp;[[Follicle stimulating hormone|follicle stimulating hormone]]&nbsp;(FSH) and [[Luteinising hormone|luteinising hormone]] (LH)<ref>Follicle stimulating hormone | You and Your Hormones from the Society for Endocrinology [Internet]. Yourhormones.info.[cited 6 December 2018]. Available from: http://www.yourhormones.info/hormones/follicle-stimulating-hormone/</ref>.  
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=== References ===
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<references />

Latest revision as of 20:13, 6 December 2018

Oestrogen is present in all vertebrates and some insects. It is a steroid hormone, produced in the ovaries, and it is most commonly recognised as a female sex hormone but it is also secreted in small amounts in men by the testis. It is part of the estrous cycle which helps to control the menstrual cycle. The primary function in women is in the development of the gonads, endometrium, mammary glands and that of female secondary sexual characters favouring for example, the osteoblastic activity. It can be used as a birth control method and is in the combined pill. It is also present during pregnancy when it is produced by the placenta.  

Non-steroidal oestrogens can also be synthesised. These fall into three categories: Phytoestrogens, Xenoestrogens and Mycoestrogens

Oestrogen can also have effects on some cancers and womens mental health[1].

The secretion of oestrogens is controlled by the hypotalamus and the pituitary gland through gonadotrophin-releasing hormonefollicle stimulating hormone (FSH) and luteinising hormone (LH)[2].

References

  1. Litwack, G., Vol. 71, 2005, Vitamins and Hormones. Burlington: Elsevier
  2. Follicle stimulating hormone | You and Your Hormones from the Society for Endocrinology [Internet]. Yourhormones.info.[cited 6 December 2018]. Available from: http://www.yourhormones.info/hormones/follicle-stimulating-hormone/
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