Mast cells, eosinophils, and basophils

Where are mast cells found?

When do mast cells differentiate?

What do mast cells have that they use in their immune responses?

What would be seen in a histological stain of an eosinophil?

What proportion of circulating leukocytes do eosinophils constitute?

How are eosinophils like neutrophils and macrophages?

How do eosinophils differ from neutrophils in their function?

How would a basophil appear histologically?

What proportion of circulating leukocytes do basophils constitute?

How do basophils function?

Here is a picture of a basophil.

Here is a picture of an eosinophil.

Here is a picture of a mast cell.