HISTOLOGY: ADRENAL: ADRENAL GLAND CORTEX AND MEDULLA, labeled.; ADRENAL GLAND CORTEX AND MEDULLA. THIS IMAGE SHOWS THE ADRENAL CORTEX AND MEDULLA. ALL OF THE LAYERS OF THE CORTEX ARE VISIBLE AS WELL AS THE CT CAPSULE AT ARROW. A IS THE MEDULLA, B IS THE ZONA RETICULARIS, C IS THE ZONA FASCICULATA, AND