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Questions tagged [endocrinology]

The branch of physiology and medicine concerned with endocrine glands and hormones.

Endocrine glands are glands of the endocrine system that secrete their products, hormones, directly into the blood rather than through a duct. The major glands of the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, testes, thyroid gland, parathyroid gland, hypothalamus and adrenal glands.

https://en.wikipedia.org/wiki/Endocrine_gland

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Does a hormone PTSH exist?

It's known that a hormone called TSH (thyroid stimulate hormone) does exist and it's secreted in the pituitary gland. But my question is about a hormone which secreted from the pituitary gland too but it stimulates the parathyroid glands. I am…
Ubiquitous Student
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Are there any hormones that are only present in children and not adults?

I am trying to ascertain whether or not there are hormones only evident in children which then desist with growth & age. I have found nothing of any use from google, wondered if perhaps here would fetch better results. Many thanks.
Derple
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Why Dydrogesterone is no longer available in US? Why dienogest is not approved?

Dydrogesterone and Dienogest are very very helpful medications in treating endometriosis condition, and Dydrogesterone helps many women to become pregnant. They are widely used around the world and help a lot of women. But in US Dydrogesterone was…
YohanRoth
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Does blindness stop the production of melatonin?

Melatonin is the hormone that gives the "expectation" of darkness. It has no use in blind people, so do they slowly stop (or immediately) secreting it? I heard it is given artificially to help with circadian patterns.
nelomad
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Why is cushing's syndrome mainly associated with cortisol?

When I hear Cushing's I always hear and think of cortisol excess. How come its cortisol that is mainly associated with this condition - more than mineralogical/ aldosterone or androgens? I understand if its from taking glucocorticoids we would be…
K-Feldspar
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Can an elevated TSH and normal T3 and T4 biologically cause fatigue?

I understand that if the levels of T3 and T4 are lower than normal, that this could directly lead to fatigue since these hormones directly regulate metabolism inside every cell. But is there an explanation for fatigue when T3 and T4 are normal, but…
Yuri Borges
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