sentences:  EMR1 expression in human is restricted to eosinophils and is a specific marker for these cells.The murine homolog of EMR1, F4/80, is a well-known and widely used marker of murine macrophage populations.The N-terminal fragment (NTF) of EMR1 contains 4-6 Epidermal Growth Factor-like (EGF-like) domains in human and 4-7 EGF-like domains in the mouse.