Is dopamine a hormone or neurotransmitter?

It is a neurohormone that is released by the hypothalamus. Its action is as a hormone that is an inhibitor or prolactin release from the anterior lobe of the pituitary. Dopamine. Neurotransmitters with discrete localization within the brain. read more

Dopamine is a neurotransmitter. It is a chemical messenger that helps in the transmission of signals in the brain and other vital areas. Dopamine is found in humans as well as animals, including both vertebrates and invertebrates. read more

Some may argue that because hypothalamic neurons produce dopamine that travels through the hypophyseal portal system to inhibit the secretion of prolactin from the pituitary gland that it is a hormone, it is not. Dopamine is not excreted by an endocrine gland into general circulation, so it is not a hormone. It is a neurotransmitter. read more

Dopamine (DA, a contraction of 3,4-dihydroxyphenethylamine) is an organic chemical of the catecholamine and phenethylamine families that plays several important roles in the brain and body. read more