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Featured Article: Adrenocorticotropic hormone

Chemical diagram for the protein pro-opiomelanocortin (POMC) from which ACTH is synthesized

Adrenocorticotropic hormone (ACTH or corticotropin) is a polypeptide hormone (a chain of 10-100 amino acids acting as a chemical messenger) synthesized from a large glycoprotein called pro-opiomelanocortin, or POMC. The main function of ACTH is to stimulate the adrenal glands to release cortisol in response to stress.

Popular Article: Dhaka

Skyline of Dhaka City

Dhaka (previously Dacca; Ḍhākā; IPA: [ɖʱaka]) is the capital of Bangladesh and the principal city of Dhaka District. Located on the banks of the Buriganga River, Dhaka, along with its metropolitan area, is the largest city in Bangladesh and one of the most populous in the world.

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The Pawnee had an elaborate mythology that incorporated their sophisticated understanding of the movement of the stars (source: Pawnee)

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