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DefinitionHereditary prepubertal gynecomastia means a boy develops true breast tissue before normal puberty because of an inherited (genetic) reason. The breast tissue is real gland tissue...
DefinitionA hormonal tumor is a growth that makes and releases extra hormones. Hormones are chemical messengers. They are made by glands like the pituitary, thyroid?, parathyroids,...
DefinitionHormone Secretion/Hormones are secreted from the glands of the endocrine system, they are specific in that each hormone causes a response in a specific target organ or group of cells, rather...
DefinitionHormones are chemical messengers that are secreted directly into the blood, usually within an endocrine gland, and it is released into the bloodstream to send a...
DefinitionHyaluronidase 2 deficiency is a very rare genetic disease. It happens when both copies of a gene called HYAL2 do not work properly. This gene makes...
DefinitionHyperandrogenism–insulin? resistance–acanthosis nigricans syndrome, commonly referred to as HAIR-AN syndrome, is a complex medical condition that affects multiple systems in the body. This article aims to...
DefinitionHyperprolactinemia is a condition where the body produces too much prolactin, a hormone primarily responsible for lactation. SAHA, or suberoylanilide hydroxamic acid, is a medication used...
DefinitionHyperthyroidism? is a condition where your thyroid gland becomes overactive, producing an excessive amount of thyroid hormones. These hormones play a crucial role in regulating various...
DefinitionHypogenitalism means that the genitals stay too small and “child-like” for the person’s age. In simple words, the sex organs do not grow and mature in...
DefinitionHypogonadotropic hypogonadism—also called secondary hypogonadism—happens when the brain’s hormone signals are too weak to tell the gonads (testes or ovaries) to work. The hypothalamus usually releases...
DefinitionHypoparathyroidism is a rare medical condition where your body doesn’t produce enough parathyroid hormone (PTH). This hormone plays a crucial role in regulating calcium levels in...
