表皮可分二层:上表皮和内表皮。
上表皮致密,较薄,厚度均匀。
The epicuticle i3 dense and relatively uniform in thickness.
上表皮致密,较薄,厚度均匀。
The epicuticle is dense and relatively uniform in thickness.
上表皮气孔指数的变化规律不明显;
The stomatal index in the adaxial epidermis changed variably during development of cotyledons.
叶上表皮细胞常呈乳突状。
正对主脉的上表皮凹陷处均有泡状细胞。
The bulliform cells were situated in groove of upper epidermis facing the main vein.
叶上表皮有盐腺;
叶片上表皮、栅状组织和全叶均较薄,叶质柔嫩,茶叶产量平均提高8%左右;
The upper epidermis, palisade tissues and leaves are all thinner, so the leaves are more tender, and its yield is 8% higher;
同一叶片其下表皮气孔密度大于上表皮,试管苗与土培苗两者叶片下表皮气孔密度差异不显著。
Stomata densities of same type leaf under epidermal are higher than upper epidermal, but were not significantly different between test-tube seedling and land seedling.
上表皮下方有2-3层长柱形的栅栏组织,在主脉大侧脉外方具有由大量机械组织组成的束帽或束鞘。
There are 2-3 layers of long-column-shaped palisade tissue under the upper epidermis, and there are a great number of mechanical tissues which made up of vascular bundle sheath .
上表皮下方有2-3层长柱形的栅栏组织,在主脉大侧脉外方具有由大量机械组织组成的束帽或束鞘。
There are 2-3 layers of long-column-shaped palisade tissue under the upper epidermis, and there are a great number of mechanical tissues which made up of vascular bundle sheath .
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