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Lab 37
The Circulatory System: Blood Studies
| Question | Answer |
|---|---|
| agglutinate | to clump together, as when different blood types are mixed |
| albumin | protein found in blood serum, mil, egg white. In blood this regulates the osmotic concentration |
| antibody | an immune substance present naturally or in response to an antigen, that neutralizes foreign molecules |
| antigen | a substance which will stimulate the production of antibodies; often a foreign protein |
| diastole | the relaxation phase of the heart beat; the pressure in the arteries during heart relaxation |
| erythrocyte | red blood cell that transports gasses in blood |
| fibrinogen | blood protein that can be converted to a fibrous protein to form a clot |
| formed elements | formed from embryonic cells, this includes erythrocytes, leucocytes, and platelets |
| globulin | serum proteins that include antibodies |
| leucocyte | white blood cell; produces antibodies and/or engulfs particulate material |
| phagocytosis | active engulfing of particulate material; for example the engulfing of bacteria by leucocytes |
| plasma | the liquid portion of the blood consisting of water, plasma proteins, glucose, urea, hormones, etc. |
| plasma protein | proteins within the plasma that function there (globulin, albumin, fibrinogen, prothrombim) |
| prothrombin | plasma protein essential for blood clotting |
| serum | blood plasma minus clotting proteins; contains albumin and globulin |
| sphygmomanometer | an apparatus to measure blood pressure; consists of an inflatable cuff and a pressure gauge |
| stethoscope | an apparatus used to hear circulatory sounds |
| systole | the contraction phase of a heart beat; the pressure in the arteries during the contraction phase |