a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | y | z
Click one of the letters above to be taken to a page of all terms beginning with that letter.
Mass
In medicine, a lump in the body. It may be caused by the abnormal growth of cells, a cyst, hormonal changes, or an immune reaction. A mass may be benign (not cancer) or malignant (cancer).
Brain Tumor Glossary
Look up generalized definitions and terms related to brain tumors.
