Synopsis This book contains scientific discussion of Physiology of Excretion; Structure of Kidney; Glomerular Filtration; Kidney Disease; Osmotic and Ionic Regulation in Arthropoda; Nitrogenous Excretion in Insects; Excretion in Annelida.Students in biological, medical and health oriented programmes will find this as most useful and informative. The students aiming for a career as a nurse, medical assistant, physician’s assistant, medical laboratory technologist, radiologist, inhalation therapist, dental hygienist, and physical therapist, will find this book as vade-mecum.