Globulin meaning

glŏb'yə-lĭn
Any of a class of proteins that are found extensively in blood plasma, milk, muscle, and plant seeds and that are insoluble in pure water and half saturated ammonium sulfate, soluble in dilute salt solution, and coagulable by heat.
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Any of a group of proteins, fully soluble only in salt solutions, found in both animal and vegetable tissues.
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Any of a class of proteins that are widespread in blood plasma, milk, muscle, and plant seeds and that are insoluble in pure water but soluble in dilute salt solutions. Blood serum globulins are divided into several groups, including the alpha, beta, and gamma globulins.
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The protein fraction of blood serum containing the globulins; serum globulin.
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A major class of proteins found in the seeds of plants and in various tissues and substances of vertebrate and invertebrate animals, including blood, muscle, and milk. The globulins in blood comprise all the plasma proteins besides albumin. Two kinds, alpha and beta globulin, are primarily transport proteins or serve as substrates for forming other substances, and include lipoproteins and enzymes. A third kind, the gamma globulins, consists almost entirely of the immunoglobulins. Most globulins are insoluble in water but soluble in saline solution.
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(biochemistry) Any of a group of simple proteins, soluble in water only in the presence of salts, that are coagulated by heat; one of the two parts of hæmoglobin.
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Origin of globulin

  • globul(e) –in
    From American Heritage Dictionary of the English Language, 5th Edition