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Sedimentation is a physical process.
Smith fermentation tube has a closed vertical arm which extends into a bulbous portion with tapered opening. it is used in observing an organism doing anaerobic fermentation.
A sed rate (sedimentation rate) is the rate at which red blood cells settle out in a tube of blood under standardized conditions. A high sed rate usually indicates that an inflammation is present.
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SST tube
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The westergren rack is a student physiology practical apparatus that holds the westergren tube and is used in the determination of erythrocyte sedimentation rate ESR.
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The top of the test tube should have 2 additional layers atop of the RBC's. The light yellow color substance is the plasma, and then there will be a thin "beige" layer below it which are WBC's (white blood cells).
The erythrocyte sedimentation rate (sed rate) blood test measures how quickly red blood cells (erythrocytes) settle in a test tube in one hour. The more red cells that settle to the bottom of the test tube within the hour, the higher the sed rate. The sedimentation rate indicates that there is inflammation somewhere in the system.
The brain and spinal cord. The cephalic portion of the nueral tube becomes the brain, the caudal portion becomes the spinal cord.
To perform An erythrocyte sedimentation rate (ESR), also called a sedimentation rate or Westergren ESR, is the rate at which red blood cells sediment in a period of one hour. anticoagulated blood is placed in an upright tube, known as a Westergren tube, and the rate at which the red blood cells fall is measured and reported in mm/h. It is a common hematology test, It is a simple glass tube with marking on the side to measure the layers formed when blood separates.
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