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21 med term

adjuvant a substance,especially a drug added to a prescription to assist in the action of the main ingredient
adjuvant therapy treatment of a disease with a substance especially a drug that enhances the main ingredient.
anaplasia a change in the structure and orientation of cells characterized by a loss of specialization and reversion to a more primitive form
antimetabolite a class of antineoplastic drugs used to treat cancer.these drugs are most effective against rapidly growing tumors
antineoplastic of a pertaining to a substance,procedure or measure that prevents the proliferation of malignant cells
invasive characterized by a tendency to spread,infiltrate and intrude
dedifferentiation a change in the structure and orientation of cells characterized by a loss of specialization and reversion to a more primitive form
infiltraive possessing the ability to invade or penetrate adjacent tissue
encapsulated enclosed in fibrous or membranous sheaths
fractionation in radiology,the division of the total dose of radiation into small doses administered at intervals in an effort to minimize tissue damages
deoxyribonucleic acid (DNA) a large nucleic acid molecule found principally in the chromosomes of the nucleus of a cell that is the carrier genetic information
differentiation a process in development in which unspecialized cells or tissues are systemically modified and altered to achieve specific & characteristic physical forms,physiologic functions & chemicals properties
cytotoxic pertaining to being destructive to cells
chemotherapy the use of chemical agents to destroy cancer cells on a selective basis
carcinoma a malignant neoplasm
carcinoma in situ (CIS) a premalignant neoplasm that has not invaded the basement membrane but shoes cytologic characteristics of cancer
papillary of or pertaining to a papilla(nipplelike projection)
carcinogen a substance or agent that causes the development or increases the incidence of cancer
oncogenesis the formation of a tumor
benign noncancerous & therefore not an immediate threat,even through treatment eventually may be required for health or cosmetic reasons; not life threatening
cancer a neoplasm characterized by the uncontrolled growth of anaplastic cells that tend to invade surrounding tissue and to metastasize reasons;body sites
oncogene a gene in a virus that has the ability to cause a cell to become malignant
neoplasm any abnormal growth of new tissue, benign or malignant
mutation a change or transformation in a gene
morbidity an illness of an abnormal condition or quality
metastasis the process by which tumor cells spread to distant parts of the body
mitosis a type of cell division that results in the formation of two genetically identical daughter cells
mixed-tissue tumor a growth of more then one type of neoplastic tissue
modality a method of application
malignant tending to become worse and cause death
lumpectomy surgical removal of only tumor & the immediate adjacent breast tissue;a method of treatment for breast cancer when detected in the early stage of the disease
linear accelerator an apparatus for accelerating charged substance particles used in radiotherapy,physics research and the production of readionuclides
sessile attached by a base rather than by a stalk or a peduncle
scirrhous pertaining to a carcinoma with a hard structure
ribonucleic acid(RNA) a nucleic acid found in both the nucleus and cytoplasm of cells that transmits genetic instructions from the nucleus to the cytoplasm
remission the partial or complete disappearance of the symptoms of a chronic or malignant disease
radiotherapy the treatment of disease by using x-rays gamma rays
relapse to exhibit again the symptoms of a disease from which a patient appears to have recovered
radiosenstive tumor a tumor capable of being changed by or reacting to radioactive emission such as x-rays,alpha particles or gamma rays
radioresponsive tumor a tumor that reacts favorably to radiation
radioresistant rumor a tumor that resits the effects of radiation
radiocurable tumor pertaining to the susceptibility of tumor cells to destruction by ionizing radiation
radiation the emission of energy,rays or waves
pedunculated pertaining to a structure with a stalk
protocol a written plan or description of the steps to be taken in a particular situation such as conducting research
Created by: Courtne