This is very common for cells that are fully differentiated.

The main issue is the development of a self-concept and the progress from an undifferentiated self to being fully differentiated.

Callisto's interior is in stark contrast to that of Ganymede, which appears to be fully differentiated.

The production of hormones occurs very often at sites of active growth within the meristems, before cells have fully differentiated.

The teeth were fully differentiated, the braincase bulged at the back of the head, and many of them walked in an upright manner.

A cell may stay in this state for several days, and then either die or irrevocably differentiate into a mature, fully differentiated plasma cell.

The kind of mature, fully differentiated cell phenotype and the number of those cells created though this can be influenced in three ways.

Fibroblasts do not appear to be fully differentiated or specialized.

Once fully differentiated, the Sertoli cell is unable to proliferate.

It is a fully differentiated body with an iron-rich, liquid core.