n. phloem
... pheromone trap 信息素罗网 phloem 筛管部 phloem fiber 韧皮纤维 ...
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外筛管部 epiphloem
迭生筛管部 stratified phloem
在筛管部内的 endophloid
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韧皮部中筛管分子的端壁是由4—6个梯状排列的筛域组成的复筛板。
The end walls of sieve-tube elements in the phloem have 4-6 specialized sieve areas which together form compound sieve plates.
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