Following activation with antigen, B cells begin to proliferate rapidly.

Not one intermediate district was ever formed, and cooperative boards proliferated rapidly, especially during the mid-1950s, reaching 82 by 1958.

These cells proliferate abnormally rapidly, even compared to other cancer cells.

Reference works for, and directories to, the Community are proliferating rapidly.

In the corporate environment, it's easy for worksheet files to proliferate rapidly.

Chemotherapy drugs typically attack cells that are proliferating rapidly.

The remaining cancer cells begin to proliferate rapidly and cancer chemotherapy is started.

When levels of this protein are low or absent, cells are likely to proliferate rapidly.

This version rapidly proliferated through the large DEC community of the early 1970s.

Once they make contact the trophoblast begins to rapidly proliferate.