Vol. 23 (1) 2002 Neuro endocrinology letters

A hormonal role for endogenous opiate alkaloids: vascular tissues.

: The distribution of morphine-containing cells in the central nervous system, adrenal gland, and its presence in blood may serve to demonstrate that this signal molecule can act as a hormone besides its role in cell-to-cell signaling within the brain. This speculative review is the result of a literature evaluation with an emphasis on .....