Pathology and Disease of Small Animals - Test 4

6. A ___ tumor “harmful”, invades locally, spreads by metastasis.
7. The study of neoplasia.
10. This process is the result of direct seeding of cancer cells within a body cavity.
14. The embryonic germ layer mesenchymal tumors originate.
17. The characteristic that is associated with benign tumors, contributing to their typically better prognosis compared to malignant tumors.
22. A ____ tumor is “harmless”, Does not invade surrounding tissue.
24. benign tumor epithelial cells.
25. The term refers to normal mature tissue located in an abnormal location.

1. A benign tumor of dendritic cells.
2. A benign tumor of adipocytes.
3. A term for wide variation in cell size observed in tumor cells.
4. A cellular process that is characterized by irreversible genetic changes rendering cells unresponsive to typical growth controls.
5. A growth's cells exhibit a loss of differentiation and reversion to a primitive morphology.
8. An example of a choristoma.
9. The term that describes the loss of cellular differentiation and reversion to a more primitive cellular morphology.
11. The process by which the immune system recognizes and eliminates tumor cells.
12. A process that describes the stage where a tumor becomes increasingly malignant, involving genetic and epigenetic changes.
13. A nonneoplastic supporting structure of proteins and glycoproteins.
15. The extensive fibrous reaction stimulated by tumor cells that increases the production of collage.
16. During neoplastic transformation, ___ initiates the irreversible genetic change in a normal cell.
18. A tumor that is derived from chondrocytes.
19. Variance in cells size and shape
20. A cellular process that is directly inhibited by the loss of cadherins in tumor cells during metastasis.
21. ______ are composed of normal mature tissue located at an ectopic site
23. A tumor that contains tissues derived from all three embryonic germ layers is classified as this type of tumor.