annular tracheid环纹管胞
fibrous tracheid纤维状管胞
longitudinal tracheid纵向管胞;轴向管胞
parenchyma tracheid薄壁管胞
transfusion tracheid[植] 转输管胞
cross tracheid射线管胞
xylem tracheid木质部假导管
vesselform tracheid导管状管胞
pitted tracheid纹孔管胞;孔纹假导管
In order to study the effects of wood properties of Loblolly 且pine(pinus teada L. ) Plantation from three different site conditions,the basic density,tracheid morphology,chemical components and PH value have been measured and dealt with.
对三个标准地人工林火炬松木材的基本密度、管胞形态、化学成分含量和PH值进行了系统的测定和分析，结果表明：基本密度、管胞长度、管胞宽度和管胞长宽比自髓心向外呈增加趋势。
参考来源 - 不同立地条件对人工林火炬松纸浆材材性影响规律的研究N（名词） an element of xylem tissue consisting of an elongated lignified cell with tapering ends and large pits 管胞 [botany]