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. 1  ham, hamstring - Originally, the part of the leg behind the knee was called the ham, and then the tendon near the ham was the hamstring; by extension, the ham became the thigh and buttock together. 2  haunch - The buttock and thigh together. 3  hockshin, gambrel - The underside of the thigh is the hockshin or gambrel.