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Fig. 3. The salivary glands at stage 15 are stretched in Tec29 mutant
embryos. (A-D) SCRIBBLE and FKH staining in the salivary glands show that the
cells are isodiametric in w1118 but are stretched along
the axis of the glands in Tec29K00206 embryos
(arrowheads). (E,F) Staining with CRUMBS and FKH also shows that the proximal
cells of the salivary glands are stretched in Tec29 embryos (arrows).
Because the salivary gland cells are wedge shaped with their apical surface
facing the lumen, CRUMBS, being more apical, produces a smaller outline of the
cells than does SCRIBBLE.