protoxylem中文,protoxylem的意思,protoxylem翻译及用法

2025-09-08 18:18 浏览次数 9

protoxylem

英[prəʊtəʊ'zaɪləm]美[ˌproʊtə'zaɪləm]

n. [植] 原生木质部

protoxylem 英语释义

英语释义

    1. the first-formed xylem developing from procambium and consisting of narrow cells with annular, spiral, or scalariform wall thickenings

protoxylem 片语

片语

protoxylem m初生木质部

endarch protoxylem内源型先成木质部

protoxylem lacuna[植]

protoxylem pole[植]

protoxylem gap原生木质部隙

protoxylem vessel原生木质部导管

protoxylem strand原生木质部束

protoxylem 例句

英汉例句

  • The degree of lignification varies from slight in protoxylem to heavy in sclerenchyma and some xylem vessels, but values of 25-30% lignin and 50% cellulose are average.

    不同部位的木质化的程度不同,原生木质部中只有轻微的加厚,而在厚壁组织和一些木质部导管中则进一步加厚,平均含25%-30%的木质素和50%的纤维素。

  • Annular thickening rings of thickening laid down on the inner wall of protoxylem vessels and tracheids.

    环状加厚:原生木质部导管和管胞的内层环状増厚。

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