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- pitted secondary wall 纹孔次生壁
- Light microscopy has also been useful in studies on the secondary wall of the cotton fiber. 光学显微镜还可以用来研究棉纤维的次生层。
- Fig.2 Showing lelf| handed helix of the isolated secondary wall and the join structure of vertical line( arrow). 图2示离体次生壁的形态，左手螺旋和垂直线联结结构(箭头)。
- A cavity in the wall of a plant cell where there is no secondary wall, as in fibers, tracheids, and vessels. 纹孔一个没有从属内壁的植物细胞壁里的腔，如在纤维、管胞和导管中
- Lignin is a characteristic component of secondary walls. 木质素是次生壁成份的特征。
- In the differentiating xylem element, the gold particles were labeled in secondary wall and cytoplasm. 在分化中的管状分子中，胶体金颗粒位于次生壁上和细胞质中。
- Spiral thickening (helical thickening) The type of secondary wall formation in which a spiral band of lignified deposits is formed on the inner wall of the cell. 螺旋加厚：是次生壁形成的一种类型，会在细胞壁内侧产生木质化的螺旋带。
- The variation of crystal degree of fiber wall reflected the aggradation law of all kinds of chemical components during secondary wall formation of bamboo fiber. 而结晶度的变化反映了纤维细胞次生壁形成过程中各种成分的沉积规律。
- The results indicated that the highest lignin concentration was found in the cell corner, while the lowest lignin concentration was found in the secondary wall. 对不同年生慈竹磨木木素的分析表明,慈竹木素的相对分子质量较软木木素小,而酚羟基含量较高。
- Abstract: The differentiation and development of fiber cells are divided into 4 stages:initiation and protuberance of fiber primordial cells,elongation, secondary wall thickening and maturation. 文摘:棉纤维细胞分化发育已被分为纤维原始细胞分化和突起、纤维伸长、次生壁增厚和脱水成熟四个时期。
- The formation and growth of ramie fiber （secondary wall） is charactered with suhsec tion matured, apical intrusive growth and middle part of fiber first matured and then the terminal part. 苎麻纤维（次生壁）的形成和生长具有分段发育，顶端插入生长．中部纤维细胞先成熟、顶端后成熟的生长特性。
- Developing mature of vascular bundle about 20 days after fertilization.The cells nucleus disappear in this period, secondary wall extended toward the inside.Sieve element formed network. 子叶维管束发育成熟约在受精后的20d，成熟时细胞核消失，次生壁向内延伸，筛管分子的细胞壁形成网纹结构。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- But PCD in plants is different from that in animals in that the products from PCD in plants can either be phagocytosed by other cells or used for constructing the cells own secondary wall. 也有一些不同，植物PCD的产物既可被其他细胞吸收利用；也可用于构建自身的次生细胞壁。
- The ground was pitted by the heavy rain. 大雨使场地变得坑坑洼洼。
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
- It may develop by thickening of the secondary walls of parenchyma cells, or it may arise directly from meristematic cells. 它们可能由薄壁组织的细胞壁次生加厚而成，也可能直接来自于分生组织细胞。
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- His face is pitted with smallpox. 他的脸因天花而留下疤痕。
- Many coal-miners were imprisoned in a pit accident. 在一次塌方事故中，许多矿工被压在了井下。
