Basophils are the rarest type of white blood cell (WBC). Sometimes called granulocytes, the cells hold tiny granules full of histamine. Basophils can also trigger your allergic reaction. They can ...

Indolent systemic mastocytosis (ISM) is a type of mastocytosis in which fewer clonal mast cells accumulate, thereby slowing the disease course and offering a better prognosis than other, more ...

Basophils are a type of white blood cell. Although they’re produced in the bone marrow, they’re found in many tissues throughout your body. Their normal blood range should be under 300 per microliter.

Basophils are white blood cells that the bone marrow makes. They play a role in a healthy immune system. Levels that are higher or lower than usual may be a sign of inflammation, hyperthyroidism, or ...