An organ of the body that produces materials (hormones) released into the bloodstream, such as the pituitary or pineal gland. Hormones influence metabolism and other body functions.
Endocrine glands include the Adrenals, Hypothalamus, Islets of Langerhans in the pancreas, Ovaries, Parathyroids, Pineal, Pituitary, Testes, and Thyroid