下表皮 meaning in Chinese
lower epidermis
Examples
- And there exists salt gland which is similar with the salt gland of sophora flavescens ait on the under epidermis
在叶的下表皮上发现了盐腺。该盐腺结构类似苦参盐腺结构。 - On the under epidermis and petiole epidermis of sophora flavescens ait . is founded salt gland which has a secretory cell and a basal cell for the first time
首次在苦参叶的下表皮及叶柄的表皮上发现了盐腺。该盐腺由一个头细胞和一个基细胞构成。 - Large cavities also exist under epidermis and occasionally crystals can be found in some of these cavities . there exist many projecting constructions shaped like two guard cells on under epidermis
叶表面无表皮毛，表皮下有大的空腔，内有晶体；下表皮具有大型类似保卫细胞的双细胞突起。 - The results show that the characters such as shape and pattern of anticlinal walls of epiderm , stomatal density , stomatal distribution and epidermal hairs possess the classific value of species
下表皮的结构远较上表皮摘要复杂，表皮细胞形态各异，有为数较多的气孔器，气孔密度、分布式样各不相同。 - Most of these species had simple hairs . the stomatal apparatus is paracytic type with one or two subsidiary on both or either side of the guard cells . three types of anticlinal walls of epidermal cells are recognized : straight , sinuolate or sinuate
表皮细胞垂周壁式样、气孔分布密度及式样、下表皮毛被的有无、多少及毛的长度、下表皮角质突起饰物的形态等具有一定的分类学意义。