Top 100 Operators: Proved Reserves and Production, Operated vs Owned, 2009 1 Top 100 Operators: Proved Reserves and Production, Operated vs Owned, 200 9. EIA data release policy does not allow company-specific proved reserves estimates, as. publishing these volumes could compromise proprietary data.
Endocrine glands include: 1  Adrenal glands: Two glands that sit on top of the kidneys that release the hormone cortisol. 2  Hypothalamus: A part of the lower middle brain that tells the pituitary gland when to release hormones.  Ovaries: The female reproductive organs that release eggs and produce sex hormones.
In the pancreas, part of the organ is an exocrine gland (the acini) secreting and part is endocrine , i.e., the islets of Langerhans which secrete various hormones such as insulin and glucagon. In the digestive system, some cells are endocrine cells, i.e., the enteroendocrine cells. Other endocrine organs include the thyroid, parathyroid, adrenal, and pituitary gland. The thyroid gland is located dorsolateral to the trachea, close to the larynx. It has two lobes that are connected by a narrow isthmus.