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MedTerm-Chapter 8
| Term | Definition |
|---|---|
| blast/o | germ or bud |
| chrom/o | color |
| chyl/o | juice |
| cyt/o | cell |
| hemat/o | blood |
| immun/o | immune, resistant |
| lymph/o | clear fluid |
| morph/o | form |
| myel/o | bone marrow or spinal cord |
| phag/o | eat or swallow |
| plas/o | formation |
| splen/o | spleen |
| thromb/o | clot |
| thym/o | thymus |
| blood | circulating tissue of the body consisting of fluid with formed elements (red blood cells, white blood cells, and platelets) suspended in the fluid |
| plasma | liquid portion of the blood and lymph; contains water, proteins, and cellular components (i.e., white 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 |
| leukocyte | protects the body from harmful invading substances; also called white blood cell |
| 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% |
| basophil | a granular leukocyte, named for the dark stain of its granules, that brings anticoagulant substances to inflamed tissues (baso=base; phil= attraction for); Normal Range (in stained blood smear): 0-1% |
| eosinophil | a granular leukocyte, named for the rose-colored stain of its granules, that increases in allergic and some infectious reactions (eos=dawn-colored [rosy]; phil= attraction for); Normal Range (in stained blood smear): 1-3% |
| 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% |
| lymphocyte | an agranulocytic leukocyte that is active in the process of immunity; the three categories of lymphocytes are T cells (thymus-dependent), B cells (bone marrow-derived), and natural killer (NK) cells; Normal Range (in stained blood smear): 25-33% |
| 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 |
| thymus | primary gland of the lymphatic system, located within the mediastinum, that helps to maintain the body's immune response by producing T lymphocytes |
| spleen | organ between the stomach and the diaphragm that filters out aging blood cells, removes cellular debris by phagocytosis, and provides an environment for lymphocytes to initiate immune responses |
Created by:
Cdickinson2
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