单词	suberin
释义	suberin /ˈsjuːb(ə)rɪn / noun [mass noun] Botany An inert impermeable waxy substance present in the cell walls of corky tissues.Chemically, apoplastic barriers of roots are depositions of the biopolymers lignin and suberin within the cell wall matrix, which may occlude wall pores previously filled with water.... Cytochemistry and autofluorescence observations were used to detect the presence of lignin and suberin in unfixed tissues. Peroxidases are present in the crease tissue at this time and it has been suggested that they may have a role in the formation of lignin / suberin in the chalazal cell walls. Origin Mid 19th century: from Latin suber 'cork' + -in1.
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