Endocrine function

The first is primary hypofunction: the lesion is in the hormone-secreting target gland itself. Due to bleeding, ischemia, infection, etc., the target gland cells are destroyed, so that hormone secretion is too small, resulting in endocrine dysfunction. Such as the primary hypothyroidism caused by chronic lymphocytic thyroiditis. The second is secondary hypofunction: the lesion is in the pituitary gland, and the secretion of target gland hormones is too low due to the lack of pituitary stimulating hormone or physiological stimulating factors, such as secondary hypothyroidism caused by Sheehan's disease. The third is the third sexual dysfunction: the lesion is in the hypothalamus, and the lack of hypothalamus release factors causes the pituitary gland and its target gland secretion to decrease.

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