Billion Cells

**Semantic type:** Quantitative Concept

**Definition:** A unit of cell count expressed in billions.

**Synonyms:** - 10*9{Cells} - 10*9{Cells} - 10*9{cells} - 10*9{cells} - 10E9 Cells - 10^9 Cells - 10^9 cells - 10^9{Cells} - 10^9{Cells} - 10^9{cells} - 10^9{cells}