Home ยป Melatonin is secreted by the Endocrine System MCQs Melatonin is secreted by the February 11, 2022 5 Views Q. Melatonin is secreted by the: A. pancreas B. thymus gland C. pineal gland D. pituitary gland Answer: C) pineal gland
The hormones known as “catecholamines” (adrenaline, noradrenaline and dopamine) are not lipid soluble. Therefore their receptor sites are