Zoology - Excretory Products and their Elimination Question with Solution | TestHub

A is the adrenal gland which is situated on the kidney tops like caps and function by secreting the steroid hormones. The funnel-shaped part of the kidney, part B is the Renal pelvis which extends down as the ureters. The outer part of the kidney, part D is the cortex which extends into the medullary pyramids as the Columns of Bertini. The medulla, part C has few conical masses called the renal pyramids which project into the renal calyces.