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immunosuppression

treatment used to interfere with the ability of the immune system to respond to stimulation by antigens

immunotherapy

treatment of disease either by enhancing or repressing the immune response

infectious mononucleosis

characterized by a fever, sore throat, and enlarged lymph nodes

infiltrating ductal carcinoma

starts in the milk of the ducts, breaks through the wall of that duct, and invades fatty breat tissue

infiltrating lobular carcinoma

cancer that starts in the milk glands, breaks though the wall of the gland, and invades the fatty tissue of the breast

inguinal lymph nodes (ING-gwih-nal)

located in the inguinal (groin) area of the lower abdomen

interferon

family of proteins release by cells when invade by a virus which is produced by T cells

Kaposi's sarcoma

opportunistic infection frequently associated with HIV

lumpectomy

surgical removal of only the cancerous tissue and a margin of normal tissue

lymphadenitis

inflammation of the lymph nodes (swollen glands)

lymphadenopathy

any disease process usually involving enlargement of the lymph nodes

Iymphangiogram

radiographic study of the lymphatic vessels and nodes with the use of a contrast medium to make these structures visible

lymphangioma

benign abnormal collection of lymphatic vesels forming a mass

lymphedema

abnormal accumulation of fluid primarily in the legs and ankles that occurs when veins or lymph vessels do not drain properly

lymphocytes

WBCs that specialize so they can attack specific microorganisms

Iymphokines

direct the immune response by signaling between the cells of the immune system, which are produced by T cells

lymphoma

general term applied to malignancies that develop in the lymphatic system

macrophage

protectst the body by ingesting invading cells and by interacting with the other cells of the immune system

metastasis

new cancer site that results from the spreading process

metastasize

verb that describes the process by which cancer spreads from one place to another

moniliasis

an infections of the skin or mucous membranes which is caused by the pathogenic yeast Candida albicans

myoma

a benign tumor composed of muscle tissue

myosarcoma

A malignant tumor derived from muscle tissue

neoplasm

tumor; new and abnormal tissue formation

neuroblastoma

sarcoma of nervous system origin

non-Hodgkin's lymphoma

The term used to describe all lymphomas other than Hodgkin's lymphoma.

oncologist

specialist in diagnosing and treating malignant diosrders such as tumors and cancer

oncology

syudy of the prevention, causes, and treatment of tumors and cancer

opportunistic infection

pathogen that normally does not cause disease but is able to cause illness in a weakened host whose resistance has been decreased by a different disorder

osteosarcoma

malignant bone tumor

parasite

plant or animal that lives on or within another living organism in the expense of that organism

pathogen

microorganism that causes disease

phagocyte

WBC with the ability to ingest and destroy substances such as cell debris, dust, pollen, and pathogens

phagocytosis

process in which extensions of cytoplasm surround and engulf large particles and take them into the cell

rabies

acute viral infection that may be transmitted to humans by the blood, tissue, or saliva of an infected animal

retinoblastoma

malignant tumor of childhood arising from cels of the retina of the eye and usually occurring before the third year of life

rickettsia

small bacterium that lives in lice, fleas, ticks, and mites

rubella

viral infection characterized by fever and a diffuse, fine, red rash

sarcoma

malignant tumor that arises from connective tissue

spirochetes

spiral-shaped bacteria that have flexible walls and are capable of movement

splenomegaly

enlargement of the spleen

splenorrhagia

bleeding from the spleen

staphylococci

bacteria that form irregular groups or clusters

streptococci

bacteria that form a chain (strep throat)

teletherapy

radiation therapy administered at a distance from the body

thymus

located superior to (above) the heart

Western blot test

a blood test that produces more accurate results than the ELISA test

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