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.
Dad had a trick to remember how many days are in each month: Weâre all right-handed so we made a fist using our left hand. Knuckles represent 31 days and the valleys between the knuckles are 30 (or 28/29). The neat thing is that once you learned the order of the months you automatically knew how many days are in each month.