Educational objective: The autonomic nervous system utilizes t | Obstetrics & Gynecology

Educational objective: The autonomic nervous system utilizes three types of signal pathways: cAMP, IP3, and ion channels. Nicotinic receptors are ligand-gated ion channels that open after binding acetylcholine. This results in an immediate influx of Na+ and Ca2• into the cell and an outflux of K+ from the cell.