Immunity to Tumors Flashcards
Tumors (neoplastic cells) =
Tumors (neoplastic cells) = **altered self cells **
Tumors fail to respond to….
Tumors fail to respond to normal growth regulators.
What is a tumor that is not capable of indefinite growth?
remains confined to its original location.
Benign tumor
True or False
Malignant tumors are cancerous.
TRUE
What tumor spreads via lymphatic vessels or bloodstream to other parts of the body?
Metastatic tumor
Malignant tumor of epithelial cells?
Carcinoma
Solid tumors of CT (bone, muscle, fibrous tissue, cartilage, fat)
Sarcoma
Malignant tumors of hematopoietic cells of the bone marrow?
Leukemia/lymphoma
How does leukemia proliferate?
single cell
Lymphomas tend to grow as….
tumor mass
Tumors have gained or lost ______ compared to normal cells.
Tumors have gained or lost **antigens **compared to normal cells.
What does TSA stand for?
Tumor Specific Antigen
TSA are only on _____ cells.
TSA are only on tumor cells, not on normal cells in the body.
TSA are induced by ________ and __________.
TSA are induced by **viruses **and **chemical/physical carcinogens. **