Figure 2. Cartoon illustrating the muscle satellite cell niche and the hypothesized Notch signaling involving the sarcolemma. (A) Illustration of how satellite cells are wedged between the basal lamina and the sarcolemma (plasma membrane of the myofiber). (B) Diagram of Notch signaling from a myofiber to an associated satellite cell. (C) Diagram of Notch signaling from the satellite cell to the myofiber.