blood substitute

blood substitute,

substance that mimics the function of blood. Blood substitutes typically concentrate only on reproducing the function of hemoglobinhemoglobin
, respiratory protein found in the red blood cells (erythrocytes) of all vertebrates and some invertebrates. A hemoglobin molecule is composed of a protein group, known as globin, and four heme groups, each associated with an iron atom.
..... Click the link for more information. , the molecule that carries oxygen through the body, and do not attempt to replicate the blood's other functions. Blood donated by humans must be refrigerated, can be contaminated by such diseases as AIDSAIDS
or acquired immunodeficiency syndrome,
fatal disease caused by a rapidly mutating retrovirus that attacks the immune system and leaves the victim vulnerable to infections, malignancies, and neurological disorders. It was first recognized as a disease in 1981.
..... Click the link for more information. and hepatitishepatitis
, inflammation of the liver. There are many types of hepatitis. Causes include viruses, toxic chemicals, alcohol consumption, parasites and bacteria, and certain drugs.
..... Click the link for more information. , and is often in short supply. Designers of blood substitutes hope to eliminate these problems and develop genetically engineered or chemical products that will be tolerated by people of all blood types. Some blood substitutes under development use hemoglobin derived from human blood that is too old for use in blood transfusions.

blood substitute

blood sub·sti·tute

any material (for example, human plasma, serum albumin, or a solution of such substances as dextran) used for transfusion in hemorrhage and shock.

blood sub·sti·tute

(blŭd sŭbsti-tūt) Material (e.g., human plasma, serum albumin, a solution of substances such as dextran) used for transfusion in hemorrhage and shock.

blood substitute

Any fluid substance used for transfusion that can perform one or more of the functions of blood. Blood substitutes include PLASMA solutions, dextran solutions and saline and other electrolyte solutions. Genuine blood substitutes that can transport oxygen are still in the experimental stages.

单词	blood substitute
释义	blood substitute blood substitute n (Medicine) a substance such as plasma, albumin, or dextran, used to replace lost blood or increase the blood volume blood substitute blood substitute, substance that mimics the function of blood. Blood substitutes typically concentrate only on reproducing the function of hemoglobinhemoglobin , respiratory protein found in the red blood cells (erythrocytes) of all vertebrates and some invertebrates. A hemoglobin molecule is composed of a protein group, known as globin, and four heme groups, each associated with an iron atom. ..... Click the link for more information. , the molecule that carries oxygen through the body, and do not attempt to replicate the blood's other functions. Blood donated by humans must be refrigerated, can be contaminated by such diseases as AIDSAIDS or acquired immunodeficiency syndrome, fatal disease caused by a rapidly mutating retrovirus that attacks the immune system and leaves the victim vulnerable to infections, malignancies, and neurological disorders. It was first recognized as a disease in 1981. ..... Click the link for more information. and hepatitishepatitis , inflammation of the liver. There are many types of hepatitis. Causes include viruses, toxic chemicals, alcohol consumption, parasites and bacteria, and certain drugs. ..... Click the link for more information. , and is often in short supply. Designers of blood substitutes hope to eliminate these problems and develop genetically engineered or chemical products that will be tolerated by people of all blood types. Some blood substitutes under development use hemoglobin derived from human blood that is too old for use in blood transfusions. blood substitute blood sub·sti·tute any material (for example, human plasma, serum albumin, or a solution of such substances as dextran) used for transfusion in hemorrhage and shock. blood sub·sti·tute (blŭd sŭbsti-tūt) Material (e.g., human plasma, serum albumin, a solution of substances such as dextran) used for transfusion in hemorrhage and shock. blood substitute Any fluid substance used for transfusion that can perform one or more of the functions of blood. Blood substitutes include PLASMA solutions, dextran solutions and saline and other electrolyte solutions. Genuine blood substitutes that can transport oxygen are still in the experimental stages. LegalSeeSubstituteFinancialSeesubstitute
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