Kangas joined Nightly Business Report in 1979; in 2003, his Stocks in the News segment earned a Financial Writers and Editors Award from the Medill School of Journalism at Northwestern University. In 2005, he won a Suncoast Chapter Silver Circle Award.
What Is a Malpighian Tubule? Malpighian tubules are organs within insects that excrete solid waste. Larvae of certain species of beetles use Malpighian tubules to produce silk.
renal tubule. The part of a nephron through which renal filtrate from the renal corpuscle flows and is changed to urine by reabsorption and secretion. The parts, in order, are the proximal convoluted tubule, the loop of Henle, the distal convoluted tubule, and collecting tubule.See also: tubule.enle's t's the straight ascending and descending portions of a renal tubule forming Henle's loop. lactiferous t's galactophorous tubules. mesonephric t's the tubules comprising the mesonephros, or temporary kidney, of amniotes. metanephric t's the tubules comprising the permanent kidney of amniotes.