Between the beginning of the G1 phase (which is also after mitosis has occurred) and R, the cell is known as being in the G1-pm subphase, or the post-mitotic phase.
Между началом G1-фазы (которая начинается в новой клетке после митоза) и R клетка находится в G1-постмитотической подфазе или постмитотической фазе.