simple and scalariform perforation 中文意思是什麼
simple and scalariform perforation
解釋
單一階段狀穿孔 在同一種類中具單一和階段狀穿孔者或一導管節中一端為單一,另一端為階段狀者- simple : adj ( pler; plest)1 單純的;簡單的,簡易的;輕便的。2 質仆的,自然的,天真的;樸素的;率直的,...
- and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
- scalariform : adj. 【動物;動物學】梯狀的;【植物;植物學】階紋的。 a scalariform vessel 梯紋導管。
- perforation : 冰穴礫阜
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It was shown that vessel elements in secondary xylem of p. emblica have many different forms and most of them have tails and their perforation plates divide into two types : ( 1 ) there is one simple perforation plate at each end of the vessel elements and ( 2 ) there is one simple perforation plate at one end of the vessel elements and two simple perforation plate at the other end ; ( 3 ) a few vessel elements have special inclusions ; ( 4 ) the intervascular pits are alternate pits ; ( 5 ) the pits between the vessels and rays are mixed pits, pits with transverse gashes and scalariform pits
結果發現,余甘子次生木質部導管分子中存在著許多不同的樣式,導管分子大多數具尾;其穿孔板存在著兩種類型: ( 1 )兩端均為1個單穿孔板; ( 2 )一端為1個單穿孔板;另一端為2個單穿孔板; ( 3 )極少數的導管分子具有特殊的內含物; ( 4 )管間紋孔式為互列紋孔式; ( 5 )導管射線間紋孔式為混合型紋孔與橫列刻痕狀紋孔以及梯狀穿孔。
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