Morphological Characteristics of Young and Old Murine Hematopoietic Stem Cell Niches, as Modeled In Vitro

Figure 5

SEM micrographs of young and old bone marrow (BM) niches after one week (a), two weeks (b), and three weeks of culturing (c). The proliferating cell clusters are seen in images (b) and (c) of the young niche (see detail in Figure 6).

(a)

(b)

(c)