茎的皮层和髓部具很多大型的薄壁细胞。
There are lots of large parenchyma cells in the cortex and pith of the stem.
幼虫蛀食髓部及木质部，形成隧道，严重影响养分和水分的传导。
The larvae tunnel into the stems and interrupt the conduction of water and nutrients.
在下胚轴中、上部，髓部开始出现，初生木质部分化顺序为内始式；
At the upper and the middle part of hypocotyl, the pith appears, and the order of the primary xylem differentiation is endarch.
结果大黄中的活性成分含量以韧皮部最高，髓部次之，木质部最低。
Result The active component content in phloem was the highest, while, successively, in pith and in xylem.
束的中心有一个管状的髓部，其中有类球形的髓细胞统松排列，常有气隙存在。
A cylindrical medulla is present in the centre of each bundle and packed loosely with roundish medulla cells.
结果表明，在玉米生理成熟期地上第二茎间髓部组织内蔗糖的含量与玉米对茎腐病的抗性密切相关，抗病的玉米杂交种的蔗糖含量明显高于感病的玉米杂交种。
Corn hybrids resistant to stalk rot had higher sucrose contents in the pith tissues of the second internode above the ground than hybrids susceptible to the disease.
2004年，公共卫生部部长的报告最新确定其它一些由吸烟导致的癌症，包括胃癌、宫颈癌、肾癌、胰腺癌以及急性髓系白血病(aml)。
The 2004 Surgeon General's report newly identifies other cancers caused by smoking, including cancers of the stomach, cervix, kidney, and pancreas and acute myeloid leukemia.
拿小孩子来说，髓磷脂是以一系列波的形式到达，其中一部分有生物密码决定，另一部分则依靠练习活动。
In children, myelin arrives in a series of waves, some of them determined by biological code, some of them dependent on activity.
维管形成层属于侧生分生组织，包括能够产生次生木质部与次生韧皮部的纺锤状形成层原始细胞和产生髓射线的射线原始细胞。
It is a lateral meristem and contains fusiform initials giving rise to secondary xylem and phloem and ray initials giving rise to medullary rays. See also secondary growth.
髓放线内有近端小管直部和远端小管直部。
The medullary ray contains the straight parts of proximal tubules and distal tubules.
方法：72例外伤冠折露髓患牙，采用活髓切断术切断冠部牙髓，保留根髓活力，促进牙根发育。
Methods: 72 teeth with exposed pulps in crown treated by pulpotomy to conserve the vital pulps and promote the growth of roots of teeth.
茎由皮层。木质部和海绵状的髓组成。
The bine is comprised by cerebral cortex, xylem and fungous marrow.
茎由皮层。木质部和海绵状的髓组成。
The bine is comprised by cerebral cortex, xylem and fungous marrow.
应用推荐