A Gap-fill exercise
The least common type of leucocyte is called a ? . These cells contain cytoplasmic granules that contain , which is a mediator of inflammatory responses.
Figure 1 is an image of a ? . These cells are increased in numbers following a viral infection. Erythrocytes are formed in the . During their maturation, an important organelle, the , is squeezed out of the cell. These cells have a characteristic ? shape. ? are formed by megakaryocytes in the bone marrow. ? are the largest of the white cells. These cells are the precursors of .
Figure 2 shows an abnormal blood smear. It is abnormal because there are more than normal.
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