Potassium metal was first isolated in 1807 in England by Sir Humphry Davy, who derived it from caustic potash (KOH, potassium hydroxide) by the use of electrolysis of the molten KOH with the newly discovered voltaic pile.
Angiomyolipomas are the most common benign tumour of the kidney. Although regarded as benign, angiomyolipomas may grow such that kidney function is impaired or the blood vessels may dilate and burst leading to bleeding.
Adenoma is a benign tumor of glandular tissue, such as the mucosa of stomach, small intestine, and colon, in which tumor cells form glands or gland like structures.In hollow organs (digestive tract), the adenoma grows into the lumen-adenomatous polyp or polypoid adenoma.rom Wikipedia, the free encyclopedia. An adenoma (from Greek Î±Î´Î­Î½Î±Ï, adeno- , gland + -ÏÎ¼Î±, -oma, tumor) (/ËaedÉ¨ËnoÊmÉ/ ; ËÃ¦dÉ¨ËnoÊmÉ plural adenomas or /adenomata/) ËaedÉ¨ËnoÊmÉ¨tÉ ËÃ¦dÉ¨ËnoÊmÉ¨tÉ is a benign tumor of epithelial tissue with, glandular origin, glandular characteristics. or both