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. 2016 Oct 1;143(19):3470–3480. doi: 10.1242/dev.134098

Fig. 7.

Fig. 7.

Model of ISCs in adult medaka fish. Bulging of the medaka intestinal epithelial surface creates folds and furrows. Proliferatively active intestinal epithelial stem cells are located in furrows at the base of intestinal folds. Apically adjacent, EdU+/pH3+ domain represents transit-amplifying compartment. Differentiated cells are pushed towards fold tip, where they are shed. Lgr4/5/6, axin2a, axin2b and rspo1 stem cell markers show graded expression in intestine at base of folds up to mid-base part. Sox9b expression is confined to base of folds.