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LCHS_Ch 19_Chabner

LCHS_Cancer: Types and Agents_Ch 19

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.
Created by: gtemple