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Sickle cell disease (SCD), also simply called sickle cell, is a group of hemoglobin-related blood disorders typically inherited. The most common type is known as sickle cell anemia . [2] It results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells . [2]
Sickle cell trait describes a condition in which a person has one abnormal allele of the hemoglobin beta gene (is heterozygous), but does not display the severe symptoms of sickle cell disease that occur in a person who has two copies of that allele (is homozygous).
The mean corpuscular hemoglobin concentration (MCHC) is a measure of the concentration of hemoglobin in a given volume of packed red blood cell. It is calculated by dividing the hemoglobin by the hematocrit. Reference ranges for blood tests are 32 to 36 g/dL (320 to 360g/L), or between 4.81 and 5.58 mmol/L. It is thus a mass or molar concentration.
A sickle, bagging hook, reaping-hook or grasshook is a single-handed agricultural tool designed with variously curved blades and typically used for harvesting or reaping grain crops, or cutting succulent forage chiefly for feeding livestock. Falx was a synonym but was later used to mean any of a number of tools that had a curved blade that was ...
Rouleaux (singular is rouleau) are stacks or aggregations of red blood cells (RBCs) that form because of the unique discoid shape of the cells in vertebrates. The flat surface of the discoid RBCs gives them a large surface area to make contact with and stick to each other; thus forming a rouleau. They occur when the plasma protein concentration ...
Neutrophil - Wikipediawikipedia.org- Metamaterial - Wikipediawikipedia.org
Poikilocytosis is variation in the shapes of red blood cells. Poikilocytes may be oval, teardrop-shaped, sickle-shaped or irregularly contracted. Normal red blood cells are round, flattened disks that are thinner in the middle than at the edges. A poikilocyte is an abnormally-shaped red blood cell. [1]
Sickle cell anaemia: 1 in 625: Cystic fibrosis: 1 in 2,000 Tay–Sachs disease: 1 in 3,000 Phenylketonuria: 1 in 12,000 Autosomal recessive polycystic kidney disease: 1 in 20,000: Mucopolysaccharidoses: 1 in 25,000 Lysosomal acid lipase deficiency: 1 in 40,000 Glycogen storage diseases: 1 in 50,000 Galactosemia: 1 in 57,000 X-linked Duchenne ...
The term macrocytic is from Greek words meaning "large cell". A macrocytic class of anemia is an anemia (defined as blood with an insufficient concentration of hemoglobin) in which the red blood cells (erythrocytes) are larger than their normal volume. The normal erythrocyte volume in humans is about 80 to 100 femtoliters (fL= 10 −15 L).
Linus Carl Pauling FRS ( / ˈpɔːlɪŋ / PAW-ling; February 28, 1901 – August 19, 1994) [4] was an American chemist, biochemist, chemical engineer, peace activist, author, and educator. He published more than 1,200 papers and books, of which about 850 dealt with scientific topics. [5] New Scientist called him one of the 20 greatest ...
Sickle cell disease is a group of diseases caused by a mutation in a subunit of hemoglobin, a protein found in red blood cells responsible for transporting oxygen. The most dangerous of the sickle cell diseases is known as sickle cell anemia.
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