What is atenolol? Atenolol (Tenormin) is a beta-blocker that affects the heart and circulation (blood flow through arteries and veins). Atenolol is used to treat angina (chest pain) and hypertension (high blood pressure). Atenolol is also used to lower the risk of death after a heart attack. You should not use this atenolol if you have a serious heart condition such as AV block, very slow heartbeats, or heart failure.
Definition of wound for English Language Learners. : 1  an injury that is caused when a knife, bullet, etc., cuts or breaks the skin. : 2  a feeling of sadness, anger, etc., that is caused by something bad that has happened to you.
An open wound is an injury involving an external or internal break in body tissue, usually involving the skin. Nearly everyone will experience an open wound.