| A | B |
| Cyclins | Proteins that help to control the speed of the cell cycle |
| Tumor Suppressor Genes | Genes that prevent cell growth and division |
| Apoptosis | Cell suicide |
| Proto-oncogenes | Genes that promote (encourage) cell growth and division |
| Oncogenes | Mutated proto-oncogenes that cause uncontrolled cell growth |
| Cancer | Disorder in which some of the body's own cells lose the ability to control growth |
| Benign Tumor | A tumor that has not spread to other tissue. |
| Malignant Tumor | A tumor that has spread to tissues outside of where it originally formed. |
| Carcinoma | Cancer of skin cells. |
| Sarcoma | Cancer of muscle, bone, cartilage or fat |
| Leukemia | Cancer of the bone marrow and blood |
| Lymphoma | Cancer of the lymphatic system |
| Surgery | When a doctor removes part of or all of a cancerous organ. |
| Radiation Therapy | When radioactive material is used to treat cancer. |
| Chemotherapy | When drugs (pharmaceuticals) are used to treat cancer. |
| Hormone Therapy | When hormones are used to shrink a tumor (typically in a reproductive organ) |
| Biopsy (please add this!) | When a doctor takes a sample of tissue to test for cancer. |