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单词 actinostele
释义

actinostele

noun

ac·​tin·​o·​stele
ak-ˈti-nə-ˌstēl also ˌak-tə-(ˌ)nō-ˈstē-lē
plural -s
: a vascular core (as in most roots and some stems) having the xylem and phloem in alternating or radial groups within a pericycle compare stele

Word History

Etymology

actin- + stele

First Known Use

1902, in the meaning defined above

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更新时间:2025/1/11 17:24:16