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Hematologic examinations

Blood clotting time (by suharev)

The beginning of blood coagulation in a healthy person is from 30 seconds to 2 minutes, the end from 3 to 5 minutes. Blood is taken from the finger into a clean and dry capillary from the apparatus of Panchenkov.

Reticulocytes

Reticulocytes are young forms of erythrocytes, containing a granular-filamentous substance, detected with the help of a special supra-color

Erythrocyte sedimentation rate (ESR)

The sedimentation rate of erythrocytes (ESR) is directly proportional to the mass of erythrocytes, the difference in the density of erythrocytes and plasma and inversely proportional to the viscosity of the plasma.

Monocytes

Monocytes are formed in the red bone marrow from monoblasts. After exiting the bone marrow, where unlike granulocytes they do not form a marrow reserve, monocytes circulate in the blood from 36 to 104 hours, and then go into tissues.

Lymphocytes

Lymphocytes - the main cellular element of the immune system - are formed in the bone marrow, actively function in the lymphoid tissue.

Basophils

Basophils are blood cells that contain coarse purple-blue granules in their cytoplasm. The main component of the basophil granules is histamine.

Eosinophils

Eosinophils are cells, the phagocytizing complexes of Ar-AT, represented mainly by IgE. After maturation in the bone marrow, eosinophils for several hours (about 3-4) are in circulating blood, and then migrate to tissues where their life span is 8-12 days.

Neutrophils

Neutrophilous granulocytes are characterized by the presence in the cytoplasm of granules of two types: azurophilic and specific, the contents of which allow these cells to perform their functions.

Leukocyte blood formula

Leukocyte formula - the percentage ratio of different types of leukocytes in the blood smear. When evaluating the leukocyte formula, it may be necessary to take into account the absolute content of certain types of leukocytes.

Leukocytes

The number of white blood cells (WBC) in circulating blood is an important diagnostic indicator. Leukocytes are formed in the red bone marrow and in the lymph nodes.

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