Term | Definition |
MALIGNANT TUMOR | Accumulation of cancer cells which compress, invade, and ultimately destroy the surrounding tissue. |
TUMOR | masses or growths that arise from normal tissue; neoplasms. |
MALIGNANT | tumor that is capable of invasion and spread to other sites. |
BENIGN | type of tumor that is noninvasive and not spreading to other sites. |
ENCAPSULATED | Benign tumors are often _____________ (contained within a fibrous capsule) so the tumor cells do not invade the surrounding tissue. |
DIFFERENTIATED | Benign tumors are composed of organized and specialized (______________)cells that closely resemble normal tissue. |
ANAPLASIA | medterm that has the meaning of backward growth. |
METASTASIZE | Formation of a secondary tumor mass in distant places in the body. |
METASTASIS | The process of cancer traveling through the bloodstream or lymphatic system to establish secondary growth. |
CARCINOGENS | envirnomental agents such as chemicals, drugs, tobacco smoke, radiation, and viruses, can damage DNA and thus cause cancer. |
CHEMICAL | Type of carcinogen that is found in a variety of products and drugs, insecticides, smoke, industrial chemicals, insulation, and hromones. |
RADIATION | wave of energy, such as sunlight, x-rays, radioactive substances, that damages or mutates DNA which leads to cancer. |
ONCOGENES | Piece of normal DNA that can cause normal cells to become malignant if they are activated by muutations. |
CARCINOMAS | solid tumors that are derived from epithelial tissue including skin, glands, digestive, urinary, and reporductive organs. |
GASTRIC ADENOMA | benign tumor of the glandular epithelial cells lining the stomach. |
GASTRIC ADENOCARCINOMA | cancerous tumor arising from the glandular epithelial tissue of the stomach |
SARCOMAS | tumors that are derived from connective tissue such as bone, fat, muscle, cartilage, bone marrow, and cells from the lymphatic vessels. |
OSTEOMA | benign tumor of bone |
OSTEOSARCOMA | malignant tumor of the bone. |
LEUKEMIA | tumors that are derived from bone marrow |
LYMPHOMAS | tumors that are derived from immune cells of the lymphatic system. |