Learn more: Angina is chest pain or discomfort caused when your heart muscle doesn't get enough oxygen-rich blood. It may feel like pressure or squeezing in your chest. The discomfort also can occur in your shoulders, arms, neck, jaw, or back.Angina pain may even feel like indigestion.But, angina is not a disease.earn more: Angina is chest pain or discomfort caused when your heart muscle doesn't get enough oxygen-rich blood. It may feel like pressure or squeezing in your chest. The discomfort also can occur in your shoulders, arms, neck, jaw, or back. Angina pain may even feel like indigestion.
Definition of leaven. 1a : a substance (such as yeast) used to produce fermentation in dough or a liquid; especially : sourdoughb : a material (such as baking powder) used to produce a gas that lightens dough or batter.
A tendon is a tough cord made of closely packed white fibers of connective tissue that serves to attach muscles to internal structures such as bones or other muscles.Sometimes, when the muscle involved in the specific action is thin and wide, the tendon is not a cord but a thin sheet known as an aponeurosis.