Corticotrophin, also known as adrenocorticotropic hormone (ACTH), is a hormone released by the pituitary gland that stimulates the production of cortisol by the adrenal glands. There are several synonyms for corticotrophin/ACTH, including adrenocorticotrophic hormone, adrenocorticotropin, corticotropin, and ACTH. These synonyms are often used interchangeably in literature and medical research. Corticotrophin plays a crucial role in regulating the body's stress response, immune system, and metabolism. Abnormal levels of corticotrophin can result in various medical conditions such as Cushing's syndrome and Addison's disease. This hormone is essential to maintaining overall health and wellbeing, and its synonyms are important to understand in medical terminology.