Costochondritis, also known as chest wall pain, costosternal syndrome, or costosternal chondrodynia is an acute and often temporary inflammation of the costal cartilage, the structure which connects each rib to the sternum at the costosternal joint.he condition is a common cause of chest pain. Though costochondritis often resolves on its own, it can be a recurring condition that can appear to have little or no signs of onset. Costochondritis symptoms can be similar to the chest pain associated with a heart attack.
fist(Noun) hand with the fingers clenched or curled inward. The boxer's fists rained down on his opponent in the last round. fist(Noun) the pointing hand symbol u261E. fist(Noun) the characteristic signaling rhythm of an individual telegraph or CW operator when sending Morse code.
Pat definition, to strike lightly or gently with something flat, as with a paddle or the palm of the hand, usually in order to flatten, smooth, or shape: to pat dough into flat pastry forms. See more.