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Adrenocorticotropic hormone is a peptide consisting of 39 amino acid residues with a molecular mass of approximately 4500. The secretion of ACTH into the blood is subject to circadian rhythms, the concentration is maximal at 6 o'clock in the morning, and the minimum is about 22 hours. Strong ACTH stimulator is stress. The half-life in the blood is 3-8 minutes.
Homocysteine is a product of the exchange of amino acids (conversion of methionine to cysteine). Approximately 70% of plasma homocysteine is associated with albumin, 30% is oxidized to disulfide and only 1% is in a free state.
The direct Coombs test is an antiglobulin test (gel agglutination, allows detection of complete bivalent antibodies), which is used to determine IgG antibodies and the C3 component of complement on the surface of red blood cells.
The definition of X- and Y-chromatin is often called the method of express diagnostics of sex. Explore the cells of the mucosa of the mouth, vaginal epithelium or hair bulb. In the nuclei of cells of women in a diploid set, there are two chromosomes X, one of which is completely inactivated (spiralized, tightly packed) already in the early stages of embryonic development and is visible as a heterochromatin block attached to the core shell.
Opioids are substances that cause physical and psychological dependence. Opium is obtained from the juice of the opium poppy (Papaver somniferum), it contains more than 20 different alkaloids, the most well-known of which is morphine.
To determine antibodies of class IgM and IgG to the herpes simplex virus-1 and 2, the ELISA method is used. The optimal examination includes the determination of antibodies of different classes separately to herpes simplex virus-1 and 2.
Hemoglobin - the main component of erythrocytes, is a complex protein, consisting of heme and globin. The main function of hemoglobin is to transfer oxygen from the lungs to tissues, as well as to remove carbon dioxide from the body and regulate CBS.
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