Fig. 2From: Tissue-specific metabolite profiling and quantitative analysis of ginsenosides in Panax quinquefolium using laser microdissection and liquid chromatography–quadrupole/time of flight-mass spectrometryMicroscopic characteristics of P. quinquefolium. I Under normal light microscope, II under fluorescence mode with dichromatic mirror. a, b represented the main root and branch root of Pq1; c–e represented Pq6, Pq8 and Pq10 respectively. ck cork, ct cortex, ph phloem, rc resin canals, cb cambium, xy xylem, sx secondary xylem, px primary xylem, pt pithBack to article page