+An **endocrine gland** is a ductless organ that secretes [Hormone](/wiki/hormone) directly into the [Bloodstream](/wiki/bloodstream). These vital glands regulate many bodily functions, from growth and metabolism to mood and reproduction, acting as the body's internal messengers.
+## See also
+- [Hormone](/wiki/hormone)
+- [Gland](/wiki/gland)
+- [Exocrine Gland](/wiki/exocrine_gland)
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