25.06.2016 Views

Blood

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C- Colour:-<br />

• Fresh, single RBC is greenish<br />

yellow due to minimal HB.<br />

• A drop of blood appears red as<br />

it contains large number of<br />

RBCs.<br />

• In stained sections, RBCs with<br />

normal HB appear acidophilic<br />

with pale centre<br />

(normochromic).<br />

• D- Number:-<br />

• In males: 5 - 5.5 million /mm3.<br />

• In females: 4.5 - 5 million<br />

/mm3.(due to loss of blood<br />

during menstruation and<br />

depression of bone marrow by<br />

female sex hormones).<br />

Dr. Amal M. Moustafa, , Department of Histology & Cytology

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