Much even lignified thickened cell wall , dead when mature .

更厚甚至木质化的细胞壁,成熟时细胞死去。

Lignified tissues include sclerenchyma and xylem .

木质素组织包括厚壁组织和木质部。

Lignified substance under the bark of trees .

树皮下坚硬多孔的木质化物质。

The cell wall has undergone secondary thickening , and is often lignified .

细胞壁多发生木质化而次生加厚。

Plant ( usually dicotyledonous plant ) which has large amount of xylem tissues and have strong , thick , lignified stem which is covered with a layer of cork .

含大量木质组织的植物(大多属双子叶植物),具强壮,厚且坚韧的木质化茎部,茎被木栓层包裹。