CH. 10: Lymphatic/Immune Disease/Disorder Terms Flashcards
lymphadenitis
inflammation of lymph nodes
lymphadenopathy
disease of lymph nodes (characterized by abnormal enlargement of the lymph nodes associated with an infection or malignancy)
lymphangitis
inflammation of lymph vessels
lymphoma
tumor of lymphatic tissue (malignant)
splenomegaly
enlargement of the spleen
thymoma
tumor of the thymus gland
infectious mononucleosis
acute infection caused by the Epstein-Barr virus characterized by swollen lymph nodes, sore throat, fatigue, and fever; the disease affects mostly young people and is often transmitted by saliva.
lymphedema
swelling of tissue, usu. of one arm or leg, caused by faulty lymphatic drainage.
acquired immunodeficiency syndrome (AIDS)
advanced, chronic immune system suppression caused by human immunodeficiency virus (HIV) infection; manifested by opportunistic infections (such as candidiasis and tuberculosis), neurologic disease (peripheral neuropathy and cognitive motor impairment), and secondary neoplasms (Kaposi sarcoma).
allergy
hypersensitivity to a substance, resulting in an inflammatory immune response.
anaphylaxis
exaggerated reaction to a previously encountered antigen such as bee venom, peanuts, or latex; while symptoms may initially be mild, such as hives or sneezing, anaphylaxis can quickly become severe. When it leads to a drop in blood pressure and blockage of the airway (which can lead to death within minutes), it is called anaphylactic shock.
autoimmune disease
disease caused by the body’s inability to distinguish its own cells from foreign bodies, thus producing antibodies that attack its own tissue. Rheumatoid arthritis and systemic lupus erythematosus are examples of autoimmune diseases.
immunodeficiency
disorder caused by an inability to produce an adequate immune response due to a lack of functioning antibodies, lymphocytes, or both; may be inherited, acquired by an infection, or caused by treatments, such as chemotherapy (also called immunocompromised)
opportunistic infections
illnesses caused by microorganisms that are not usu. pathogenic but result in disease because of a weakened immune system
sarcoidosis
disease in which clumps of inflammatory cells form in one or more organs of the body, frequently the lungs and lymph nodes. Thought to be caused by an overreaction of the immune system to an unknown substance.