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Disorders of Growth Hormones

Disorders of growth hormone are caused both by high secretion and low secretin of growth hormone.

Increased secretion: the pituitary is enlarged and if the gland presses optic chiasma it ultimately affects vision. Excessive secretion of growth hormone causes clinical conditions like

1. Gigantismgiant means very tall it is caused by over secretion of hormone before adolescence (before the closure of the epiphysis) by acidophilic tumor

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Hormones of Placenta

Placenta is the intimate connection between the foetus and the uterine wall of mother for the exchange of the nutrients. Placenta is a temporary endocrine gland present during pregnancy. It secrets some hormones; like estradiol, progesterone, human chorionic gonadotropin (hCG) and human chorionic somatotropin (hCS). Their functions are

  • Estradiol and progesterone have the same actions as in the non pregnant state.

  • However the main function of the placental progesterone is

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