Micropuncture studies of formed-body secretion by the excretory organs of the crayfish, frog and stick insect.
D000818:Animals; D001001:Anura; D003445:Crustacea; D007313:Insecta; D007684:Kidney Tubules / Q000502:physiology*; D008317:Malpighian Tubules / Q000502:physiology; D008854:Microscopy, Electron; D014556:Urine