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.
Nitroglycerin patches are prescribed for preventing chest pain in adults. Specifically, this medicated patch is used to prevent angina attacks associated with coronary artery disease. It does this by relaxing the arteries and blood vessels to help provide sufficient oxygen to the heart.