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. Author manuscript; available in PMC: 2014 Mar 12.
Published in final edited form as: Stem Cell Rev. 2012 Jun;8(2):597–608. doi: 10.1007/s12015-012-9351-1

Fig.3.

Fig.3

Intestinal stem cell populations of Drosophila. A: Schematic of the adult intestinal tract. Scattered mesenchymal proliferating stem cells are found in the midgut and Malpighian tubules (magenta); zones of epithelial stem cells are found at the boundary between foregut and midgut (foregut proliferation zone), and midgut and hindgut (hindgut proliferation zone), respectively (bright green). B: Lineage produced by stem cells in the adult midgut. C: Signaling pathways controlling proliferation and differentiation of adult midgut stem cells. D: Signaling pathways acting in the hindgut proliferation zone.