Psyllium husk

From Biology-Online Dictionary | Biology-Online Dictionary

psyllium husk

The husk of the dried ripe seeds of plantago psyllium, P. Indica, P. Ovata, and P. Arenaria (family Plantaginaceae). The husks swell on exposure to water and provide an indigestible mucilaginous mass in the intestines. Used as a bulk laxative and lubricant