Also known as John Wayne Airport, SNA is the only commercial service airport in Orange County, California. It is about 35 miles south of Los Angeles, between the cities of Costa Mesa, Irvine, and Newport Beach, and is 14 miles from Disneyland.
potassium channel a voltage-gated protein channel selective for the passage of potassium ions. protein channel a watery pathway through the interstices of a protein molecule by which ions and small molecules can cross a membrane into or out of a cell by diffusion.
Calcium channel blockers are drugs that block the entry of calcium into the muscle cells of the heart and arteries. The entry of calcium is critical for the conduction of the electrical signal that passes from muscle cell to muscle cell of the heart, and signals the cells to contract.