metaphloem的中文,翻译,解释,例句

metaphloem

metaphloem的基本解释: -
后生韧皮部

相关中文词汇: 后生韧皮部

热门词汇: elder; thrive; sadly; situate; undermentioned; golden; recipe; farmhouse; grin; tare

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It consists of the PROTOPHLOEM and METAPHLOEM.

由原生韧皮部和后生韧皮部组成。

The PROTOPHLOEM and METAPHLOEM are primary tissues and derived from the procambium,while the secondary phloem is formed from the VASCULAR CAMBIUM.

原生韧皮部和后生韧皮部属于初生组织，来源于原形成层，而次生韧皮部由维管形成层产生。

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metaphloem：后生韧皮部

初生韧皮部主要由筛管和伴胞组成,亦有少数韧皮薄壁细胞,有些植物还有韧皮纤维存在. 其发育方式与初生木质部一样,也为外始式,即原生韧皮部(protophloem)在外,后生韧皮部(metaphloem)在内,但原生韧皮部和后生韧皮部界限不明确.

热门中文对照歌词: OK; Lead Me To The Cross; Far Country; I Believe; Close My Eyes; Fab 5 Freddy; Suitcases; You're My Thrill; Drive It All Over Me; The Sound Of Settling

热门背单词: 幼儿英语-水果; 小学英语(第二册); 市政 (Town services); 汽车品牌(Trademarks of Automobile); 牛津英语（四年级第一学期）---词汇总表; 木工类 (Carpenter's tools); 一般词汇 (General terms); 新大学英语教学大纲(六级); 议程 (Agendum); 牛津英语(高二/第二学期)