Addison, Thomas, 1793–1860, English physician, b. near Newcastle, grad. Univ. of Edinburgh (M.D., 1815). In 1837 he became a physician at Guy's Hospital, London, where he conducted important r...

Hydrocortisone, another name for the steroid hormone cortisol, more especially used to refer to preparations of this hormone used medicinally. Hydrocortisone, introduced in 1952, is more poten...

Barton, Derek H. R., 1918–98, British chemist, b. Gravesend, England, grad. Imperial College of Science and Technology (B.S. 1940, Ph.D. 1942, D.Sc. 1949). He was on the faculty of Imperial Co...

Adrenal gland or suprarenal gland, endocrine gland (see endocrine system) about 2 in. (5.1 cm) long situated atop each kidney. The outer yellowish layer (cortex) of the adrenal gland secretes ...

Steroids, class of lipids having a particular molecular ring structure called the cyclopentanoperhydro-phenanthrene ring system. Steroids differ from one another in the structure of various si...

Corticosteroid drug, any one of several synthetic or naturally occurring substances with the general chemical structure of steroids. They are used therapeutically to mimic or augment the effec...

Cortisone, steroid hormone whose main physiological effect is on carbohydrate metabolism. It is synthesized from cholesterol in the outer layer, or cortex, of the adrenal gland under the stimu...

Pope, Alexander, 1688–1744, English poet. Although his literary reputation declined somewhat during the 19th cent., he is now recognized as the greatest poet of the 18th cent. and the greatest...