NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology Human Physiology-Neural Control and Coordination Revision (Page 9 of 17)

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Hormones of Kidneys

Origin; kidneysdevelop from the mesoderm of the embryo.

Hormones of kidney; kidneys secretes three hormones Renin, erythropoietin and 1,25- Dihydroxycholecalciferol.

Renin

It is a glycoprotein secreted by the granular cells of the juxtaglomerular apparatus (details in excretory system). It is an important component of renin-angiotensin-aldosterone mechanism which helps to regulate blood pressure. It is a proteolytic enzyme but its properties are like hormone.

Actions its only actio

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Hormones of Gonads

The gonads are the sex glands, ovaries in the female and testis in the males. They produce ova and sperms respectively but also secrete hormones.

Ovaries: are paired structures present in the females. They are located in the pelvic cavity in close proximity to the uterus and oviduct.

Hormones of ovaries are

  1. Oestrogens; are secreted by the cells of Graafian (ovarian) follicles. Estradiol is the principal feminizing hormone. It stimulates the development of female secondary sex cha

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