tracheid

基本解釋

• n.[植]管胞

同根派生

• tracheid相關(guān)詞

英漢例句

• Thread, hole patterns and Reticulate smaller catheter and tracheid.
  見放射狀條紋。See radial stripes.;螺紋、孔紋和網(wǎng)紋導(dǎo)管及管胞較小。
• Tracheid An elongated xylem conducting element with oblique end walls.
  管胞：具有傾斜端壁的延伸的木質(zhì)部運(yùn)輸分子。
• Tylose A bladderlike ingrowth from a parenchyma cell into an adjacent tracheid or vessel through a paired pit.
  侵填體：薄壁細(xì)胞向內(nèi)生長的泡狀物通過紋孔伸入相鄰的管胞或?qū)Ч苄纬傻慕Y(jié)構(gòu)。
• Spur of the great marrow, pulp tissue is often full of thick red crystal, tracheid also larger.
  所以，仔細(xì)觀察這些痕跡，可以對該鈴技的年齡及歷年的生長結(jié)實(shí)狀況作出初步判斷。
• Vascular bundle have not cambium layer, vessel, and spiral tracheid as well.Only sieve element.
  維管束無形成層，無導(dǎo)管，也不具有螺紋管胞，只有篩分子。

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