The "differentiation stage" refers to a specific phase or period when something or someone starts to become distinct or unique from others. Full definition
Intermediate differentiation stages (transient amplifying cells) associate with expression of both types of isoforms [35]. (molvis.org)
Using human fat - derived stem cells from young (aged 24 - 36 years), middle - aged (aged 48 - 55 years) and elderly (aged 60 - 81) participants, the team used ECIS to collect complex measurements during the growth and differentiation stages the hASC exhibited as they converted to bone cells. (sciencedaily.com)
Hierarchical clustering organized samples according to differentiation stages, with undifferentiated ES cells and early differentiation states at the left and progressively more differentiated states toward the right. (journals.plos.org)