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. Author manuscript; available in PMC: 2021 Dec 1.
Published in final edited form as: Curr Opin Plant Biol. 2020 Oct 22;58:17–24. doi: 10.1016/j.pbi.2020.08.008

Figure 1. Functional domains of the SAM.

Figure 1

LP – leaf primordia, PZ – peripheral zone, RZ – rib zone, OC – organizing center, SC – stem cells. The SC and OC together define the SAM central zone (CZ). WOX gene family expression (e.g. WUS) is associated with the OC, whereas CLE family expression (e.g. CLV3) is associated with SC.