Chemical messengers that often travel in the blood supply in order to affect target neurons that are quite distant are known as

Question

Chemical messengers that often travel in the blood supply in order to affect target neurons that are quite distant are known as​

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Neurohormones are chemical messengers that are released by specialized neurons into the bloodstream to act on distant target cells. Unlike neurotransmitters, which act locally at the synapse, neurohormones can affect cells throughout the body. Neuromodulators can also act at a distance, but they are typically released locally and do not travel in the bloodstream. Neuroenzymes are enzymes involved in the chemical reactions that neurons use to produce neurotransmitters and other signaling molecules, but they are not themselves signaling molecules that travel to other cells.

Chemical Messengers That Often Travel in the Blood Supply in Order