韧皮部 [植] phloem ; liber ; included phloem
初生韧皮部 [植] primary phloem ; primary bast
后生韧皮部 [植] metaphloem
次生韧皮部 [植] secondary phloem ; secondary bast
原生韧皮部 [植] protophloem
韧皮部射线 phloem ray
韧皮部卸出 phloem unloading
柔软韧皮部 soft bast
韧皮部杆菌属 Candidatus Liberibacter ; Liberobacter
内生韧皮部 [植] internal phloem ; Infernal Phlkem
但网络的最边缘——叶子，却具有不同的结构，与木质部和韧皮部不同，叶子的纹路交叉并成环。
But the very end of such a network, the leaf, has a different architecture. Unlike the xylem and phloem, the veins in a leaf cross-link and loop.
他的观点是，在某种程度上二者均由运输物质的网络构成——公路，铁路，水路以及煤气管，污水管还有电缆线都在输送物质，动物血管和植物运输汁液的木质部、韧皮部也是如此。
Roads, railways, water and gas mains, sewage pipes and electricity cables all move things around. So do the blood vessels of animals and the sap-carrying xylem and phloem of plants.
一旦口针进入韧皮部持续吸食阶段，蚜虫在三个部位的取食行为没有太大的差异。
And no significant differences were found in feeding behaviors among aphids on three plant parts once sustained ingestion started in the phloem.
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