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CNHP 2010 CH. 8
Terms and definitions
| Term | Definition |
|---|---|
| chyl/o | juice |
| cyto/o | cell |
| hem/o | blood |
| lymph/o | clear fluid |
| myel/o | bone marrow or spinal cord |
| thromb/o | clot |
| plasma | liquid portion of the blood and lymph; contains water, proteins, and cellular components like while blood cells, red blood cells, and platelets |
| Serum | liquid portion of the blood that remains after clotting |
| red blood cells (RBC) | transport oxygen and carbon dioxide; also called erythrocyte |
| hemoglobin | the protein-iron compound in erythrocytes that transports oxygen and carbon dioxide |
| white blood cell | protects the body from harmful invading substances; also called leukocyte |
| neutrophil | a granular leukocyte, named for the neutral stain of its granules that fights infection by swallowing bacteria (phagocytosis) (neutr = neither) (phil = attraction for); Normal range (in stained blood smear) ; 54-75% |
| Agranulocytes | a group of leukocytes without granules in their nuclei |
| Monocyte | an agranulocytic leukocyte that performs phagocytosis to fight infection (mono =one); normal range (in stained blood smear); 3-7% |
| platelets | cell fragments in the blood that are essential for blood clotting (coagulation); also called thrombocytes |
| lymphatic system | consists of lymph vessels, nodes, and tissues through which lymph drains into the blood |
| lymph | fluid that is circulated through the lymph vessels |
| lymph capillaries | microscopic vessels that draw lymph from tissues to the lymph vessels |
| lymph vessels | vessels that receive lymph from the lymph capillaries and circulate it to the lymph nodes; also called lymphatic vessels |
| lacteals | specialized lymph vessels in the small intestine that absorb fat into the bloodstream (lacteus = milky) |
| chyle | white or pale yellow substance in lymph that contains fatty substances absorbed by the lacteals |
| lymph ducts | collecting channels that carry lymph from the lymph nodes to the veins |
| right lymphatic duct | receives lymph from the right upper part of the body |
| antibody | a substance produced by the body that destroys or inactivates an antigen that has entered the body |
| microcytosis | presence of small red blood cells |
| hypochromic | pale in color; lighter in color than normal |
| macrocytosis | presence of large red blood cells |
| anisocytosis | presence of red blood cells of unequal size (an = not, without; iso= equal) |
| poikilocytosis | presence of large, irregularly shaped red blood cells (poikilo = irregular) |
| reticulocytosis | an increased number of immature erythrocytes in the blood |
| neutropenia | a decreased number of neutrophils |
| pancytopenia | an abnormally reduced number of all cellular components in the blood |
| hemolysis | breakdown of the red blood cell membrane |
| immunosuppression | impaired ability to provide an immune response |
| prothrombin | protein substance in the blood that is essential to the clotting process |
| thymectomy | removal of the thymus |
| blood component therapy | transfusion of a specific blood component, such as packed ted blood cells, platelets, or plasma |
| anticoagulant | a drug that prevents clotting of the blood |
| hemostatic | a drug that stops the flow of blood within the vessels |
| vasodilator | a drug that causes dilation of the blood within the vessels |
Created by:
ataye2
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