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The endocrine system refers to glands that release hormones directly into the blood stream. These help control physiological and behavioral processes of the body. Exocrine glands on the other hand refer to glands that release chemicals similar in function to the endocrine gland but do the same through ducts.
The pituitary gland, pineal gland, thyroid gland, parathyroid glands and the adrenal glands are purely endocrine glands. The pineal gland secretes the hormone melatonin which regulates sleep as well as is a very potent anti-oxidant. The pituitary gland secretes several hormones some of which are the thyroid stimulating hormone, oxytocin and vasopressin. The thyroid gland secretes thyroxine, calitonin and triodothyronine. The parathyroid gland secretes what is known as the parathyroid hormone. The adrenal gland secretes several hormones some of which are DHEA and testosterone.
The pituitary gland produces hormones such as thyroid stimulating hormone, the growth hormone(for muscular and skeletal growth), the follicle stimulating hormone(helps the production of sperm and eggs), prolactin (breast milk production), and antidiuretic hormone (helps maintain water balance).
The pineal gland produced melatonin which helps with sleeping and waking.
The thyroid produces T4 and T3 (thyroid hormones) which help regulate the body's metabolism.
the adrenal glands lie on top of the kidneys and produce estrogen, progesterone, steroids, cortisol, and cortisone.
Pituitary, pineal glands, thyroids are some of the organs that release hormones into the body.
Pituitary (hypophyseal) gland, Pineal gland, thyroid, Parathyroid, Adrenal are pure Endocrine glands. This site will help you.
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