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.
wound drain. any device by which a channel or open area may be established for the exit of material from a wound or cavity. See also drain, drainage, wound healing (below). wound healing. the restoration of integrity to injured tissues by replacement of dead tissue with viable tissue.enetrating wound one caused by a sharp, usually slender, object that passes through the skin into the underlying tissues. perforating wound a penetrating wound that extends into a viscus or bodily cavity. puncture wound penetrating wound.