tracheids 中文意思是什麼
tracheids
解釋
假導管-
The xylem of ferns and conifers contains only tracheids.
蕨類植物和針葉樹的木質部僅含有管胞。 -
Tsuga dumosa richer : the regular presence of ray tracheids. axial parenchyma cells rare and distribute in the boundaries of growth rings
雲南鐵杉（ tsugadumosaeicher ） ：生長輪明顯，早材至晚材略急變至漸變。 -
Tranfusion tissue is present in the leaf of yew. it is composed of three sorts of cells : transfusion tracheids, transfusion parenchyma cells, and albuminous cells
在紅豆杉的葉子中存在傳輸組織，它由傳輸細胞、傳輸薄壁組織細胞和蛋白細胞組成。 -
Annular thickening rings of thickening laid down on the inner wall of protoxylem vessels and tracheids
環狀加厚：原生木質部導管和管胞的內層環狀?厚。 -
Bordered pits on tracheids radial walls uni - seriate and bi - seriate rows
交叉場1 - 4枚杉木型紋孔。 -
A review : current international research into cell wall mechanics of tracheids
管胞細胞壁力學研究進展評述 -
Where they occur interspersed with the xylem they may be distinguished from tracheids by their narrower lumen
纖維分佈與木質部相似，其狹窄的腔可與管胞區分開來。 -
These genera and ephedra also hve advanced tracheids with a structure reminiscent of angiosperm vessels, whereas in other gymnosperms the xylem is composed solely of more primitive tracheids
這些屬以及麻黃屬植物和被子植物一樣有進化的管胞，而其他的裸子植物的木質部只由很多導管組成。
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