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Ovary
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===About Ovaries as Endocrine Glands===
: '''Ovaries''' [[secrete]] a [[hormone]] called [[oestrogen]] which .: [[Oestrogen]] causes the expression of female characteristics during puberty including the widening of the hips, [[Mammary Gland|breast]] growth and the initiation of the [[Menstrual Cycle|menstrual cycle]].