1870, from German phloëm (1858), coined by German botanist Karl Wilhelm von Nägeli (1817-1891) from Greek phloos, phloios "bark of trees," of uncertain origin, + passive suffix -ema.
实用例句
1. Phloem elements and adjacent tissues are the principal feeding sites for most aphids.
韧皮部及其邻近组织是大多数蚜虫的主要取食部位.来自辞典例句
2. The stele includes all primary tissues derived from the procambium consists of pericycle, phloem and xylem.
中柱包括从原形成层衍生而来的全部初生组织,由中柱鞘 、 韧质部和木质部组成.来自辞典例句
3. Primary phloem PHLOEM derived from the procambium in the young plant.
初生韧皮部:指幼嫩植物中来源于原形成层的韧皮部.来自互联网
4. Sugar transport in phloem depends on sugar transporters, and sugar transporters have dual functions, i.
糖在韧皮部中的运输是由糖转运蛋白完成的, 糖转运蛋白具有双重功能, 即糖载体和糖传感.来自互联网
5. The rest of phloem also produced callus through dedifferentiation. In addition, there was callus from xylem.
