phloem

名词 n.
中文释义
英 /ˈfləʊ.əm/    美 /ˈfloʊ.əm/

英文释义

名词 n.
  1. A vascular tissue in land plants primarily responsible for the distribution of sugars and nutrients manufactured in the shoot. countable,uncountable

词形变化

phloems plural phlœm alternative phloëm alternative phlöem alternative

词源

First attested in 1872. From German Phloëm, coined by Swiss botanist Carl Nägeli in 1858 from Ancient Greek φλόος (phlóos, “husk, bark”) + a Greek-sounding ending -em (cf. System).
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