tracheid

常見例句

• 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。
• Fiber-tracheid An elongated cell with bordered pits found in wood, intermediate in form between a fiber and a tracheid.
  纖維管胞：木材中具有具緣紋孔的細(xì)長細(xì)胞，是纖維和管胞的中間類型。
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