Also, it takes time to make more dopamine and transport it down the axons on the microtubules. The receptor here for glutamate is a calcium channel. This enhancement allows a greater signal to be sent along the axons favoring certain axons pathways over others. In Alzheimer s disease, hippocampal cells die perhaps the cells underwent excitotoxicity in response to glutamate. Be aware that there are many other ideas about the cause of Alzheimer s.
Alcohol is a frequently misused substance that is thought to utilize the glutamate pathway.
Low amounts increase aggressive behavior and high amounts lower aggressive behavior. This is a substance that can be made into serotonin in the body. The net effect of these drugs is to overstimulate the natural pathways. Introduction to the Endocrine system Movie The Miracle of Life. Eggs burst from the ovarian follicles during ovulation, are swept into the Fallopian tubes, and travel down the ducts until they reach the uterus.