The pulmonic valve is the second valve of the heart. Like the aortic valve, it is also referred to as a semilunar valve, because of its shape. It lies between the right ventricle and the pulmonary artery, which takes blood to the lungs.
Transdermal analgesic patch. A transdermal analgesic or pain relief patch is a medicated adhesive patch used to relieve minor to severe pain.
Epidural Blood Patch. by Deanna M. Neff, MPH. An epidural blood patch is when a small amount of blood is used to seal a puncture site in the spine as a result of a spinal tap procedure. The patch helps restore normal pressure in the spinal fluid.