Go back to the index of this complete glossary to find the definition of all medical terms for cancers, treatments and health.
Cancer Glossary - G
- Gallbladder : A small organ that stores bile. It is located below the liver.
- Gamma rays : Same as x-rays but from a different radioactive source.
- Gastrointestinal tract : The digestive tract, where the body processes and uses food. It includes the esophagus, stomach, liver, small and large intestines, and rectum.
- Gastroenterologist : A doctor who specializes in
diagnosing and treating diseases of the digestive system.
- Gene therapy : Treatment that alters genes (the basic units of heredity found
in all cells in the body.
- Genetic : Relating to genes or inherited characteristics.
- Germ cell tumors : A type of brain tumor.
- Germinoma : A type of germ cell tumor.
- Gland : An organ that produces and releases one or more substances.
- Gliblastoma multiforme : A type of brain
tumor.
- Glioma : A name for brain tumors that begin in the glial cells,
or supportive cells, in the brain. "Glia" is the Greek word for glue.
- Graft : Healthy skin, bone, or other tissue taken from one part of the body to replace diseased or injured tissue removed from another part of the body.