atopy
hypersensitivity or allergic state
bone marrow
produces lymphocytes, monocytes, and other blood cells
helper T- cells
T- cell lymphocytes; stimulate antibody production; T4 cells
Hodgkin disease
malignant tumor of lymph nodes and spleen marked by Reed Sternberg cell identified in lymph nodes
hypersplenism
syndrome marked by enlargement of the spleen and associated with anemia, leucopenia, anemia
immunolglobulins
antibodies IgG, IgE, IgM, IgD
interstitial fluid
fluid that lies between cells and becomes lymph as it enters lymph capillaries
kaposi sarcoma
cancer arising from the lining cells of capillaries, producing bluish-red skin nodules
lymph capillaries
tiniest of lymph vessels
lymph nodes
stationary lymph tissue along the path of lymph vessels
lymphadenitis
inflamation of lymph glands (nodes)
lymphadenopathy
disease of the lymph glands (nodes)
lymphedema
swelling of tissues due to interstitial fluid accumulation
adenoids
mass of lymph tissue in the nasopharynx
AIDS
disorder in which the immune system is suppressed by exposure to HIV
allergen
an antigen capable of causing allergy (hypersensitivity)
anaphylaxsis
an extraordinary hypersensitivity to a foreign protein; marked by hypotension, shock, respiratory distress
lymphocytopenia
deficiency of lymph cells
lymphocytosis
slight increase in the number of lymphocytes
lymphoid organs
tissues that produce lymphocytes- spleen, thymus, tonsils, and adenoids
lymphopoiesis
formation of lymph
pneumocystis carinii pneumonia
major lung infection with fever, cough, chest pain, and sputum. Treatment is Bactrim.
right lymphatic duct
large lymph vessel in the chest that drains lymph from right upper part of the body
spleen
organ near the stomach that produces, stores, and eliminated blood cells (filters erythrocytes and activates lymphocyte)
splenectomy
removal of the spleen
splenomegaly
enlargement of the spleen
suppressor T- cells
T- cells lymphocytes that inhibit the activity of B cell lymphocytes
thoracic duct
large thoracic lymph vessel draining lymph from lower and left side of the body
thymectomy
removal of a mediastinal organ called the thymus
thymoma
tumor of the thymus gland
thymus
organ in the mediastinum that produces T- cell lymphocytes
tonsils
oropharyngeal lymph tissue
toxins
poisons (antigens)