tracheids
n.【植】管胞
网络假导管；管胞细胞
变形
复数：tracheids英英释义
tracheid[ trə'ki:id, 'treiki- ]
n.long tubular cell peculiar to xylem
双语例句
1.Tracheidshaveendwallsandlateral walls with the samemorphologicalcharacteristicsorstructure,withperforationplatesornot.端壁和侧壁形态及结构分别相同，有或无穿孔板的管状分子为管胞。2.Where they occur interspersed withthexylemtheymaybedistinguishedfromtracheidsbytheirnarrowerlumen.纤维分布与木质部相似，其狭窄的腔可与管胞区分开来。更详细。dict.bioon.com3.Fromthe present results, we considered thattrachearyelements that conduct waterandmineralinfernsandgymnospermaretracheids.由此可以推测蕨类植物和裸子植物中输导水分和矿物质的管状分子主要为管胞。4.Ultrasonicemissionisaphenomenonwithcavitationofvesselsortracheids.植物的超声发射是导管或管胞里空穴化时的伴随现象。www.fabiao.net5.Manytracheidslackprotoplasmatmaturityandhavelignifiedsecondarycellwalls.许多管胞的原生质体会在成熟时消失，同时细胞壁进行木质化的次生加厚。6.andsometracheidsareforkedorbranched.部分管胞具有分枝或分叉现象。www.juyy.net7.FactorsaffectingLongitudinalTensile StrengthofSoftwoodTracheidsInvestigatedwithZero-spanTension针叶材管胞纵向零距抗张强度的影响因子研究www.ilib.cn8.EstimationofLongitudinalTensileStrengthofTracheidswithZero-SpanTensionTechnique零距拉伸技术评价木材管胞纵向抗拉强度www.ilib.cn9.LongitudinalMOEandhardnessofdifferentcellwalllayersofsoftwoodtracheids针叶材管胞细胞壁不同壁层的纵向弹性模量和硬度www.ilib.cn10.Theresultshowed that the main structureoffibertracheidsstillexited,but had some fracture;结果表明：受热后，炭化白松管胞纤维结构仍然存在，但是出现断裂和破碎；1
2
权威例句
tracheidsCell wall mechanics of tracheids.
Size and function in conifer tracheids and angiosperm vessels
Water stress deforms tracheids peripheral to the leaf vein of a tropical conifer.
Differentiation of Terminal Latewood Tracheids in Silver Fir Trees During Autumn
Mechanical reinforcement of tracheids compromises the hydraulic efficiency of conifer xylem
Seasonal changes in stem radius and production of new tracheids in Norway spruce
Rapid Measurement of the Transverse Dimensions of Tracheids in Radial Wood Sections from Pinus radiata
Changes in the arrangement of cellulose microfibrils associated with the cessation of cell expansion in tracheids
Chemical characterization of tissue fractions from the middle lamella and secondary wall of black spruce tracheids.
1. The xylem of ferns only contains tracheids.
蕨类植物的木质部只含有管胞。
youdao
2. The xylem of ferns and conifers contains only tracheids.
蕨类植物和针叶树的木质部仅含有管胞。
youdao
3. It is found in protoxylem and first metaxylem tracheids and vessels.
可在原生木质部和初始后生木质部的管胞和导管中见到。
youdao
4. Ultrasonic emission is a phenomenon with cavitation of vessels or tracheids.
植物的超声发射是导管或管胞里空穴化时的伴随现象。
youdao
5. Annular thickening rings of thickening laid down on the inner wall of protoxylem vessels and tracheids.
环状加厚：原生木质部导管和管胞的内层环状増厚。
youdao
6. There are significant difference in tracheids' length and width and height of wood ray comparing with healthy tissues.
与健康组织相比。其管胞的长、宽和木射线高度均差异显著。
youdao
7. The supporting and water-conducting tissue of vascular plants, consisting primarily of tracheids and vessels; woody tissue.
木质部在维管束植物中的起支撑作用和输水作用的组织，主要由管胞和管道组成；
youdao
8. Parenchyma in gall tissues were observed to occur hypertrophy or hyperplasia, and vertical tracheids in gall xylem were short and abnormal in shape.
瘤组织中的薄壁细胞均增生肥大，木质部的垂直管胞发生变形且变短。
youdao
9. There are different types of pit-pair between the axial tracheids. the axial tracheid and the ray parenchyma, the axial tracheid and the ray tracheid.
轴向管胞之间、轴向管胞与射线薄壁细胞之间、轴向管胞与射线管胞之间，均有不同类型的纹孔对。
youdao
10. There are different types of pit-pair between the axial tracheids. the axial tracheid and the ray parenchyma , the axial tracheid and the ray tracheid.
轴向管胞之间、轴向管胞与射线薄壁细胞之间、轴向管胞与射线管胞之间，均有不同类型的纹孔对。
youdao
11. 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.
在红豆杉的叶子中存在传输组织，它由传输细胞、传输薄壁组织细胞和蛋白细胞组成。
youdao
12. In situ imaging nanoindentation was used to characterize the differences in longitudinal Modulus of Elasticity (MOE) and hardness of different cell wall layers of softwood tracheids.
该文利用原位成像纳米压痕技术研究了针叶材管胞细胞壁不同壁层之间在纵向弹性模量(MOE)和硬度方面的差异。
youdao
13. In situ imaging nanoindentation was used to characterize the differences in longitudinal Modulus of Elasticity (MOE) and hardness of different cell wall layers of softwood tracheids.
该文利用原位成像纳米压痕技术研究了针叶材管胞细胞壁不同壁层之间在纵向弹性模量(MOE)和硬度方面的差异。
youdao
tracheids
