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a disobligeed or incorrectly functioning organ, part, structure, or dodge of the body resulting from the effect of genetic or developmental errors, infection, poisons, nutritionary deficiency or imbalance, toxicity, or unfavorable environmental factors; disease; sickness; ailment. 2. any ab rule condition in a plant that interferes with its vital physiological processes, parkwayd by noxious microorganisms, parasites, unfavorable environmental, genetic, or nutritional factors, etc. 3. any harmful, depraved, or ghoulish condition, as of the mind or society: His spell with executions is a disease.Sickle cell anemia (uh-NEE-me-uh) is the most common manikin of reaping hook cell disease (SCD). SCD is a near disorder in which the body makes sickle-shaped ablaze(p) boundary of work cells. falciform means that the inflamed birth cells argon shaped interchangeable a crescent. Normal red descent cells are disc-shaped and nerve like doughnuts without holes in the cen ter. They move well through your melody vessels. Red blood cells contain an iron-rich protein called haemoglobin (HEE-muh-glow-bin). This protein carries oxygen from the lungs to the loosening of the body. Sickle cells contain supernormal hemoglobin called sickle hemoglobin or hemoglobin S.

Sickle hemoglobin causes the cells to develop a sickle, or crescent, shape. Sickle cells are mischievous and sticky. They tend to hold on blood flow in the blood vessels of the limbs and organs. Blocked blood flow can cause pain, serious infections, and organ damage.Figure A shows normal red blood cells flowing freel y in a blood vessel. The cut-in type shows! a cross-sectional of a normal red blood cell with normal hemoglobin. Figure B shows abnormal, sickled red blood cells blocking blood flow in a blood vessel. The inset image shows a cross-section of a sickle cell with abnormal (sickle) hemoglobin forming abnormal strands. OverviewIf you necessitate to get a ripe essay, order it on our website: OrderCustomPaper.com

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