Knowledge of normal erythrocyte diameter size, size changes, morphological changes

Operation method

Erythrocyte morphology test

Materials and Instruments

Blood Slides
Rachel's solution
Microscope

Move

Coated blood film. Dried and Rachel's stained, followed by oil microscopy.

l, mature erythrocyte morphology and size changes, (small red blood cells, large red blood cells, giant red blood cells, red blood cell size uneven) 2, mature red blood cell morphology changes (spherical, oval, target-shaped red blood cells. Sickle-shaped erythrocytes). 3, the hemoglobin content of erythrocytes change: (normal pigmentation, low pigmentation, high pigmentation, polychromatic).

4、Abnormal structure in erythrocytes

①, alkaline point color red fine cause: under the condition of Rieck's staining, the presence of basophilic black and blue particles in the red blood cells, belonging to the incomplete maturity of the red blood cells, and the size of its particles varies from one to another.

②, chromatin vesicles (howell-Jollps body) is located in the mature or naive red blood cell mass, round, 1-2um size, stained purple-red, can be 1 to several, has been proved to be the nuclear remnants, common in megaloblastic anemia, anaemia and after splenectomy.

5, Cabot ring (Cabot ring) in the polychromatic or alkaline point coloration of red blood cells in the cytoplasm of the purplish-red coil-like structure. Sometimes it is wrapped into a figure of eight.6. Nucleated red blood cells: i.e. naive red blood cells, present in bone marrow.

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