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Patient Education

Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn about general health issues that may not be related to Ear, Nose and Throat Disorders. Our providers may not see and/or treat all topics found herein

Blood serum

Blood serum is the sticky, watery liquid left after the solid parts of the blood (the red blood cells, white blood cells, and platelets) have clumped (coagulated).