Definition: Serosanguineous is a medical term that describes blood cells called erythrocytes. These cells contain hemoglobin, which carries oxygen to the body's tissues and cells. The presence of this substance in the bloodstream indicates that there is an imbalance in the amount of oxygen being delivered to the body's tissues. In humans, these cells are primarily found in the lungs, where they help to remove carbon dioxide from the blood. However, when the body is under stress or injured, such as
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