Endocrine system

The endocrine system is a messenger system in an organism comprising feedback loops of hormones that are released by internal glands directly into the circulatory system and that target and regulate distant organs. In vertebrates, the hypothalamus is the neural control center for all endocrine systems. In humans, the major endocrine glands are the thyroid, parathyroid, pituitary, pineal, and adrenal glands, and the (male) testis and (female) ovaries.

Extends: [Endocrine system](https://wikipedia.org.ai/Endocrine system), [Endocrine cells](https://wikipedia.org.ai/Endocrine cells), [Endocrine-related cutaneous conditions](https://wikipedia.org.ai/Endocrine-related cutaneous conditions)

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