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. 2009 Oct 13;104(7):1373–1387. doi: 10.1093/aob/mcp255

Fig. 2.

Fig. 2.

(A) Light micrograph of a control living stoma. The arrows mark the ventral wall and the arrowheads the dorsal walls. Scale bar = 10 µm. (B, C) Epifluorescence microscope images of unstained control stomata showing the guard cell wall regions emitting autofluorescence. (B) Stoma observed under the filter with exciter G 365 and barrier LP 420. (C) Stoma observed under the filter with exciter BP 450–490 and barrier BP 515–565. The arrows point to cell-wall regions exhibiting UV autofluorescence. Scale bars = 10 µm.