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immunosuppression

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

immunotherapy

a treatment of disease either by enhancing or repressing the immune response

infectious mononucleosis

caused by the epstein-barr virus, is characterized by fever, a sore throat, and enlarged lymph nodes

infiltrating ductal carcinoma

also known as IDC, starts in the milk duct, breaks through the wall of that duct, and invades fatty breast tissue; accounts for the majority of all breast cancers

infiltrating lobular carcinoma

also known as ILC, is cancer that starts in the milk glands (lobules), breaks through the wall of that gland ad invades that fatty tissue of the breast

inguinal lymph nodes

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

interferon

is produced by the t cells, is a family of proteins released by cells when invaded by a virus; causes noninfected cells to form an antiviral protein that slows or stops viral multiplication

kaposi's sarcoma

also known as KS, is an opportunistic infection frequently associated with HIV; may affect the skin, mucous membranes, lymph nodes, and internal organs

lumpectomy

the surgical removal of only the cancerous tissue and a margin (rim) of normal tissue

lymphadenitis

also known as swollen glands, is an inflammation of the lymph nodes

lymphadenopathy

any disease process usually involving enlargement of the lymph nodes

lymphangiogram

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

lymphangioma

a benign abnormal collection of lymphatic vessels forming a mass

lymphedema

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

lymphocytes

are WBC's that specialize so they can attack specific microorganims; formed in bone marrow and undergo further maturation and differentiation in lymphatic tissue throughout the body including lymph nodes, spleen, thymus, tonsils, and peyer's patches; two major classes are b cells, and t cells

lymphokines

are produced by the t cells, direct the immune response by signaling between the cells of the immune system; attract macrophages to the infected site and prepare them to attack

lymphoma

a general term applied to malignancies that develop in the lymphatic system

macrophage

a type of phagocyte, protects the body by ingesting (eating) invading cells by interacting with the other cells of the immune system

metastasis

the new cancer site that results from the spreading process

metastasize

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

moniliasis

an infection of the skin or mucous membranes caused by the pathogenic yeast Candida albicans; generally localized in the mouth or the vagina

myoma

a benign tumor composed of muscle tissue

myosarcoma

a malignant tumor derived from muscle tissue

neoplasm

also known as a tumor, is a new abd abnormal tissue formation

neuroblastoma

a sarcoma of nervous system origin

phagocyte

a WBC witht he ability to ingest (eat) and destroy substances such as cell debris, dust, pollen, and pathogens

phagocytosis

process in which phagocytes engulf and digest microorganisms and cellular debris

rabies

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

retinoblastoma

a malignant tumor of childhood arising from cells of the retina of the eye and usually occuring before the third year of life

rickettsia

a small bacterium that lives in lice, fleas, ticks, and mites; they transmit the infection to humans; rocky mountain spotted fever

rubella

also known as german measles or 3-day measles, is a viral infection characterized by fever and a diffuse, fine, red rash

sarcoma

a malignant tumor that arises from connective tissue

spirochetes

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

splenomegaly

an enlargement of the spleen

splenorrhagia

bleeding from the spleen

staphylococci

bacteria that form irregular groups or clusters; endocarditis, pneumonia, and some skin infections

streptococci

bacteria that form a chain; pharyngitis, also known as strep throat

teletherapy

radiation therapy administered at a distance from the body

thymus

located superior to (above) the heart; is composed largely of lymphatic tissue; plays an important role in the endocrine and immune systems

western blot test

detects the prescense of specific viral proteins, produces more accurate results

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