The endocannabinoid system (ECS) is a biological system composed of endocannabinoidsEndocannabinoids are substances produced from within the body that activate cannabinoid receptors. After the discovery o... More, which are endogenous lipid-based retrograde neurotransmitters that bind to cannabinoidA cannabinoid is one of a class of diverse chemical compounds that acts on cannabinoid receptors, also known as the endo... More receptors, and cannabinoid receptor proteins that are expressed throughout the vertebrate central nervous system (including the brain) and peripheral nervous system. The endocannabinoid system remains under preliminary research, but may be involved in regulating physiological and cognitive processes, including fertility,pregnancy, during pre- and postnatal development, appetite, pain-sensation, mood, and memory, and in mediating the pharmacological effects of cannabisCannabis (/ˈkænəbɪs/) is a genus of flowering plants in the family Cannabaceae. The number of species within the gen... More.