how does sickle cell anaemia affect physical development?
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Red blood cells look like round discs. But in sickle cell disease, they're shaped like sickles, or crescent moons, instead. These sickle shaped cells get stuck together and block small blood vessels. This stops blood from moving as it should, which can lead to pain and organ damage.
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Sickle Cell disease is an autosomal recessive disorder that causes anemia, joint pain, a swollen spleen, and frequent, severe infections. It illustrates balanced polymorphism because carriers are resistant to malaria, an infection by the parasite Plasmodium falciparum that causes cycles of chills and fever.
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Having sickle cell disease alone does not affect learning ability, but the complications of the disease may cause learning problems. Students may require extra help and encouragement when illness interferes with school. Fatigue due to anemia and sleep disturbances may be present.
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Sickle cell disease is a group of disorders that affects hemoglobin, the molecule in red blood cells that delivers oxygen to cells throughout the body. People with this disorder have atypical hemoglobin molecules called hemoglobin S, which can distort red blood cells into a sickle, or crescent, shape.
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Sickle cell disease is a group of disorders that affects hemoglobin, the molecule in red blood cells that delivers oxygen to cells throughout the body. People with this disease have atypical hemoglobin molecules called hemoglobin S, which can distort red blood cells into a sickle, or crescent, shape.
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Another example of incomplete dominance is with sickle cell anemia, a disease in which a blood protein called hemoglobin is produced incorrectly. This causes the red blood cells to have a sickle shape, making it difficult for these misshapen cells to pass through the smallest blood vessels.
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['Anemia. Sickle cells break apart easily and die, leaving you with too few red blood cells. ... ', 'Episodes of pain. ... ', 'Swelling of hands and feet. ... ', 'Frequent infections. ... ', 'Delayed growth or puberty. ... ', 'Vision problems.']
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Sickle cells that block blood flow to organs deprive the affected organs of blood and oxygen. In sickle cell anemia, blood is also chronically low in oxygen. This lack of oxygen-rich blood can damage nerves and organs, including your kidneys, liver and spleen, and can be fatal. Blindness.
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Some examples include: hearing loss, vision problems, acute chest syndrome, jaundice, priapism (persistent and painful erections), leg ulcers, gallstones, and stroke. Sickle cell anemia also can have a negative impact on the mental health of patients and may lead to depression and anxiety.
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Some red blood cells become sickle-shaped and these elongated cells get stuck in small blood vessels so that parts of the body don't get the oxygen they need. Sickle cell anemia is caused by a single code letter change in the DNA. This in turn alters one of the amino acids in the hemoglobin protein.
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Periodic episodes of pain, called pain crises, are a major symptom of sickle cell anemia. Pain develops when sickle-shaped red blood cells block blood flow through tiny blood vessels to your chest, abdomen and joints. Pain can also occur in your bones.
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In subjects with hemoglobin SC disease, blood pressure also deviated from normal but to a lesser degree. Conclusion: Blood pressure is generally lower than normal in individuals with sickle cell anemia. Those with high values relative to this population had an increased risk of stroke and death.
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Answer and Explanation: Sickle cell anemia disrupts homeostasis. Homeostasis is an internal set of balanced conditions in the body.
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SCD is a well-known genetic disorder that results in dramatic alteration and function of red blood cells (RBCs). Sickle RBCs can also obstruct the vasculature; activate leukocytes, platelets, and endothelial cells; and exacerbate inflammation.
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Sickle cell anemia is an inherited red blood cell disorder in which there aren't enough healthy red blood cells to carry oxygen throughout your body. Normally, the flexible, round red blood cells move easily through blood vessels. In sickle cell anemia, the red blood are shaped like sickles or crescent moons.
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Sickle cell disease (SCD) is a blood disorder that a child is born with. It's passed down through a parent's genes. Children with SCD make an abnormal type of hemoglobin. This is the protein in red blood cells that carries oxygen to all parts of the body.
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Causes. Sickle cell anemia is caused by a mutation in the gene that tells your body to make the iron-rich compound that makes blood red and enables red blood cells to carry oxygen from your lungs throughout your body (hemoglobin).