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47 terms

Unit 11 Lymphatic System Part II

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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