The medical term that means pertaining to below the rib is:
Infracostal, hypocostic, and subcostal mean below the rib or pertaining to below the rib.ccording to a pulmonologist, its called costochondritis.   Costochondritis Yes, costochondritis is sinflammation of the cartilage that joins the rib to the sternum. Anoth â¦ er term for costochondritis is Tzietze's syndrome.