Formation of urinary fluid by Malpighian tubules of an insect.
D000818:Animals; D001693:Biological Transport, Active; D007313:Insecta / Q000502:physiology*; D007552:Isotonic Solutions; D008317:Malpighian Tubules / Q000502:physiology; D009997:Osmotic Pressure; D011188:Potassium / Q000097:blood / Q000378:metabolism; D014556:Urine / Q000378:metabolism*
D007552:Isotonic Solutions; D011188:Potassium