LCHS_Cancer: Types and Agents_Ch 19
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| MALIGNANT TUMOR | Accumulation of cancer cells which compress, invade, and ultimately destroy the surrounding tissue.
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| TUMOR | masses or growths that arise from normal tissue; neoplasms.
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| MALIGNANT | tumor that is capable of invasion and spread to other sites.
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| BENIGN | type of tumor that is noninvasive and not spreading to other sites.
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| ENCAPSULATED | Benign tumors are often _____________ (contained within a fibrous capsule) so the tumor cells do not invade the surrounding tissue.
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| DIFFERENTIATED | Benign tumors are composed of organized and specialized (______________)cells that closely resemble normal tissue.
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| ANAPLASIA | medterm that has the meaning of backward growth.
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| METASTASIZE | Formation of a secondary tumor mass in distant places in the body.
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| METASTASIS | The process of cancer traveling through the bloodstream or lymphatic system to establish secondary growth.
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| CARCINOGENS | envirnomental agents such as chemicals, drugs, tobacco smoke, radiation, and viruses, can damage DNA and thus cause cancer.
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| CHEMICAL | Type of carcinogen that is found in a variety of products and drugs, insecticides, smoke, industrial chemicals, insulation, and hromones.
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| RADIATION | wave of energy, such as sunlight, x-rays, radioactive substances, that damages or mutates DNA which leads to cancer.
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| ONCOGENES | Piece of normal DNA that can cause normal cells to become malignant if they are activated by muutations.
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| CARCINOMAS | solid tumors that are derived from epithelial tissue including skin, glands, digestive, urinary, and reporductive organs.
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| GASTRIC ADENOMA | benign tumor of the glandular epithelial cells lining the stomach.
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| GASTRIC ADENOCARCINOMA | cancerous tumor arising from the glandular epithelial tissue of the stomach
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| SARCOMAS | tumors that are derived from connective tissue such as bone, fat, muscle, cartilage, bone marrow, and cells from the lymphatic vessels.
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| OSTEOMA | benign tumor of bone
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| OSTEOSARCOMA | malignant tumor of the bone.
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| LEUKEMIA | tumors that are derived from bone marrow
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| LYMPHOMAS | tumors that are derived from immune cells of the lymphatic system.
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