The blood has three types of formed elements: erythrocytes (red blood cells), leukocytes (white blood cells),
and platelets or thrombocytes .
Erythrocytes: Also called red blood ...
Size: 1.5 – 3 µm in diameter
Nucleus: absent
Cytoplasma: pale blue + purple granules
Platelet Count in blood: (150–450)×10^9/L
Platelets:
Most are 1/5 to 1/3 the size of a normal RBC .
They are typically round with a blue-bray cytoplasm.
Cytoplasm with purple/blue granules.
Increased in:
Iron deficiency ...
Blood plasma:
is prepared by spinning a tube of fresh blood containing an anticoagulant (purple top tube) in a centrifuge until the blood cells fall to the bottom of the tube. The blood ...