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【Botany 植物學】stem structure 植物細胞組織
1. cortex [ˋkɔrtɛks] n. 皮層;樹皮
Cortex is an external layer, such as bark or rind.
2. xylem [ˋzaɪlɛm] n. 木質部
The supporting and water-conducting tissue of vascular plants is called xylem.
3. phloem [ˋfloɛm] n. 韌皮部
The food-conducting tissue of vascular plants is called phloem.
4. epidermis [͵ɛpəˋdɝmɪs] n. 表皮;外皮
Epidermis is a thin, protective layer of cells forming the outer integument of seed plants and ferns.
5. endodermis [͵ɛndoˋdɝmɪs] n. 內皮
The endodermis is the central, innermost layer of cortex in some land plants, which regulates the flow of materials between the cortex and the vascular tissues.
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