Chapter 19 Vocab

Assiting primary treatment.

synthetic chemicals containing alkyl groups that attack DNA, causing breaking strands

Loss of differeentiation of cells; reversion to a more primitive cell type

Process of forming new blood vessels

chemical substances produced by bacteria or primitive plants. They inhibit growth of cells and are used in cancer chemotherapy

chemicals that prevent cell division be inhibiting formation of substances necessary to make DNA; used in cancer chemotherapy

drugs that block mitosis ( cell division ). Taxol is an antimitotic used to treat breast and ovarian cancers.

programmed cell death (Apo- means off, away; ptosis means to fall.)

noncancerous growth (neoplasm)

substances produced by normal cells that either directly block tumor growth or stimulate immune responce

use of the body's own defenses to destroy tumor cells

radiotherapy that uses insertion of sealed containers into body cavities or radioactive seeds directly into the tumor

agents that cause cancer;chemicals and drugs, radiation, and viruses

cancerous tumor maade up of cells of epithelial origin