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chapter 9
Blood, Lymph, and Immune system
Term | Definition |
---|---|
Erythrocytes | red blood cells, transport O2 to cells and remove CO2 from the cells |
Leukocytes | white cells that provide protection against invasion by pathogens and aid in the healing process |
Platelets | provide a mechanism for blood clotting |
hem/o hemat/o | blood |
cyt/o | cell |
erythr/o | red |
leuk/o | white |
thromb/o | blood clot |
embol/o | embolus (plug) |
agglutin/o | clumping, gluing |
ser/o | serum |
kary/o nucle/o | nucleus |
sider/o | iron |
phag/o | swallowing, eating |
hemophobia | fear of blood or bleeding |
thrombolysis | separation, destruction, loosening of a blood clot |
macrocyte | large blood cell |
hemopoiesis | formation, production of blood |
hemostasis | standing still of blood |
hematoma | tumor composed of blood |
thromboid | resembling a thrombus |
siderpenia | decrease or deficiency of iron |
phagocyte | cell that swallows or eats (injests) |
thrombosis | abnormal condition of a blood clot |
Lymphatic system | drain excess interstitial fluid from tissue spaces and return it to the blood. Maintains the cells that defend the body against disease |
tonsill/o | tonsil |
cervic/o | neck |
thym/o | thymus |
splen/o | spleen |
lymphangi/o | lymph vessel |
thorac/o | chest |
inguin/o | groin |
lymphaden/o | lymph gland (node) |
aden/o | gland |
lymph/o | lymph |
angi/o | vessel (usually blood or lymph) |
sider/o | iron |
xen/o | foreign, strange |
lymphangi/o | lymph vessel |
phag/o | swallowing, eating |
thymoma | tumor of the thymus gland |
phagocyte | cell that swallows or eats (ingests) |
lymphopoiesis | formation or production of lymph |
agglutination | process of clumping, gluing |
immunology | study of immunity |
splenomegaly | enlargement of the spleen |
lymphopoiesis | formation or production of lymph |
lymphadenitis | inflammation of a lymph gland (node) |
macrocyte | red) cell that is large |
erythrocytopenia | decrease or deficiency in red blood cells |
leukocytopenia | decrease or deficiency in white blood cells |
Iron deficiency anemia | Decrease in RBCs caused by insufficient iron in the diet |
Pernicious anemia | Caused by inadequate levels of vitamin B12, characteristic formation of large, abnormal RBCs |
Sickle cell anemia | Hereditary form of anemia in which RBCs take on an abnormal, crescent shape |
Leukemia | Crowding out of RBCs and platelets by WBCs, leading to anemia and bruising and bleeding problems |
Lymphedema | Abnormal accumulation of fluid within tissues, and is especially common in the arms and legs |
Kaposi Sarcoma | Malignancy of connective tissue that causes purple, red, or brown patches to form under the skin and mucous membranes |
Systemic Lupus Erythematosus | is an autoimmune disease. Development of antibodies that attack the skin, joints, and other organs of the body. most common in women |
Thrombocytopenia | Deficiency in the number of circulating platelets |
antibody (immunoglobulin) | protein produced by B cells that protects against substances that are potentially harmful to the body |
antigen | substance recognized by the immune system that will elicit the production of antibodies |
ascites | accumulation of serous fluid in the thoracic or abdominopelvic cavity |
ecchymosis | bruise |
petechiae | small, pinpoint hemorrhages under the skin |
titer | blood test that measures the amount of antibodies in blood; commonly used as an indicator of immune status |