Readily staining with chromium salts.
Tissue in the medulla of the adrenal gland consisting of modified neural cells containing granules that are stained brown by chromates. Epinephrine and norepinephrine are released from the granules when the adrenal gland is stimulated by its sympathetic nerve supply.
A term applied to certain cells and organs in the body, such as part of the adrenal glands, which have a peculiar affinity for chrome salts. These cells and tissues generally are supposed to secrete substances which have an important action in maintaining the tone and elasticity of the blood vessels arid muscles.