A blood smear is a blood test used to look for abnormalities in blood cells. The three main blood ... They then tie a band above the venous site where your blood will be drawn.

They will then: clean the puncture site with an antiseptic wrap an elastic band ... your blood is examined under a microscope. Blood smears can help detect abnormalities in the blood cells ...

Sometimes the blood smear of a compound heterozygote shows only target cells and irregularly contracted cells and cannot be distinguished from the smear in hemoglobin C homozygosity; a positive ...