JOSE CALVO / SCIENCE PHOTO LIBRARY JOSE CALVO / SCIENCE PHOTO LIBRARY
Low power light micrograph of a kidney from a 20 week old foetus showing several lobules with a well defined cortex and medulla. The nephrogenic zone can be seen at the periphery of the cortex as a basophilic band of developing nephrons. Magnification: x18 when printed at 10 centimetres wide.
Model release not required. Property release not required.