Definition : The inner portion of the adrenal gland. Derived from ectoderm, adrenal medulla consists
mainly of chromaffin cells that produces and stores a number of neurotransmitters,
mainly adrenaline (epinephrine) and NORepinephrine. The activity of the adrenal medulla
is regulated by the sympathetic nervous system. [MeSH];
The inner portion of the adrenal gland. Derived from ectoderm, adrenal medulla consists
mainly of chromaffin cells that produces and stores a number of neurotransmitters,
mainly adrenaline (epinephrine) and NORepinephrine. The activity of the adrenal medulla
is regulated by the sympathetic nervous system. [MeSH]