An antacid is a substance which neutralizes stomach acidity, which in turn relieves heartburn.n antacid is a substance which neutralizes stomach acidity, which in turn relieves heartburn.
Thigh Pain (Definition) The thigh is the upper part of your lower extremity between your hip and knee. Any pain within this region could be considered thigh pain. Possible diagnosis include fractures, stress fractures, muscle contusions or strains, referred pain from the back and hip to name only a few.
Thigh bone: The thigh bone in anatomy is called the femur.. Whichever term you care to use -- thigh bone or femur, it is the bone in the leg that extends from the hip to the knee.