Such a cell

(not comparable, cytology) of or pertaining to proliferation, especially of cells / proliferating; tending to proliferate

In a proliferative way.

plural of proliferative

(dated, transitive) To make prolific; to fertilize; to impregnate.

(dated) The generation of young. / (dated, botany) Reproduction by the growth of a plant, or part of a plant, directly from an older one, or by gemmae.

Alternative spelling of pro-lifer

The condition of being prolific

Fertile; producing offspring or fruit in abundance — applied to plants producing fruit, animals producing young, etc. / Similarly producing results or performing deeds in abundance

In a prolific manner, or to a prolific extent; abundantly