phloem
英 ['fləʊem]
美['floɛm]
- n. 筛部，[植] 韧皮部
英英释义
- 1. (botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes
实用场景例句
- 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.
期刊摘选
- The rest of phloem also produced callus through dedifferentiation. In addition, there was callus from xylem.
- 残存的韧皮部也可以脱分化形成愈伤组织, 此外, 还存在愈伤组织源于木质部的情况.
期刊摘选
- 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.
辞典例句
- GA 3 application had the same effect on Hevea brasiliensis phloem as that on Melia azedarach.
- 施用GA3的作用与苦楝树相似.
期刊摘选
- 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.
期刊摘选
- 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.
辞典例句
- Both xylem and phloem form a continuous branched system in the whole plant body.
- 木质部和韧皮部在植物体内构成一个连续的分支系统.
期刊摘选
中文词源
phloem 韧皮部（由筛管将叶制造的糖分输送到各部位的植物组织）
来自德语phloem,韧皮部，由德国19世纪植物学家Karl Wilhelm根据希腊语创造出来的一个词，来自希腊语phloos,树皮。
双语例句
- 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.
- 残存的韧皮部也可以脱分化形成愈伤组织, 此外, 还存在愈伤组织源于木质部的情况.
来自互联网
英文词源
- phloem (n.)
- 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.