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- apical cell theory 顶端细胞学说
- German physician and pathologist known for his contributions to cell theory and the study of disease. 菲尔绍,鲁道夫1821-1902德国病理学家和医生,以他对细胞理论的贡献和疾病研究而著名
- The entire shoot apex of a horsetail could fit into the large apical cell in the growing tip of a fern. 木贼的整个茎尖可相当于蕨类生长锥中大的顶端细胞。
- The apical cell and basal cell act as the ancestor cells of frond and rhizoid. 两个细胞分别成为叶片和假根的祖细胞。
- The apical cell of the first leaf and of the first root originate almost at the same time after the embryo reaches to the 32-celled phase. 胚胎在32细胞阶段后,第一叶顶端细胞与第一根顶端细胞几乎同时发生。
- His cell theory was also adopted and expanded by SCHWANN, who applied it to animals also. 他的细胞理论还得到了施旺的认同,并将其应用于动物细胞。
- The cell theory is used to study nematic liquid crystals formed by biaxial molecules. 通过格胞理论研究双轴分子构成的向列型液晶。
- The apical cell would develop into the head cells of peltate glandular hairs if the stalk cell kept meristematic and flat-shaped. 若柄细胞保持扁平状且处于分生状态时,其顶细胞将发育成盾状腺毛的头部;
- During the late development,the apical cell did not divide and therefore the capitate glandular hair with one secretory cell formed if the stalk cell rapidly enlarged longitudinally. 以后的发育过程中,由于有的腺毛的柄细胞迅速分化,其顶细胞不再分裂,从而形成单个分泌细胞构成头部的头状腺毛;
- The development of cell theory in the eighteenth and nineteenth centuries caused biological research to blossom and bear fruit at all levels. 细胞学说在十八和十九世纪的发展,促进生物学各个方面的研究开花结果。
- Then,we use the optimal reciprocal cell theory to gain the sampling image spectrum which contains a minimal amount of aliasing and noise. 用最佳倒易晶胞理论求出受混叠与噪声影响最小的斜模式采样图像频谱;
- If the stalk cell kept meristematic,the apical cell would continue to divide anticlinally up to form 8 or 16 secretory cells of peltate glandular hairs. 有的腺毛的柄细胞保持分生组织状态,其顶细胞继续进行多次垂周分裂,从而形成由8个或16个横向扩展的分泌细胞构成头部的盾状腺毛。
- The apical cell would develop into the head cells of capitate glandular hairs if the stalk cell rapidly enlarged longitudinally and was of vacuolization. 若柄细胞纵向引长并迅速液泡化时,其顶细胞将发育成头状腺毛的头部。
- Changes of Ca 2+ and Ca 2+ ATPase distribution in root apical cells of rice under submergence stress were determined by cytochemical methods. 应用电镜细胞化学方法 ,对淹水胁迫下水稻根尖细胞中 Ca2 +和 Ca2 +- ATP酶分布的变化进行了观察。
- The initial cells of both types of glandular hairs originated from the protodermal cells and created a basal cell,a stalk cell and an apical cell through two successive periclinal divisions. 两种腺毛的原始细胞都来源于原表皮细胞,经两次平周分裂产生基细胞、柄细胞和顶细胞。
- In the 1960s neurobiologist Jerome Lettvin named the latter idea the “grandmother cell” theory, meaning that the brain has a neuron devoted just for recognizing each family member. 另一派则认为大脑内一个个独立的神经元,会各自辨识一个特定的物体或人物。
- Fig. 1 Hattoria yakushimense (Horik.)Schust. 1. Plant; 2. Part of plant; 3. Leaves; 4. Longitudinal section ofperianth; 5. Middle cells of leaf mangin; 6. Basal leaf cells; 7. Apical cells of leaf. 图1服部苔1.;植物体;2
- Cell theory The theory that all organisms are composed of CELLS and cell products and that growth and development results from the division and differentiation of cells. 细胞学说:所有的生物体都是由细胞及细胞产物构成的。细胞的分裂和分化导致细胞的生长和发育。
- Cells were discovered by Robert HOOKEN in 1665, but SCHLEIDEN and SCHWANN in 1839 were the first to put forward a clear cell theory, stating that all living things were cellular. 细胞在1665年被英国学者胡克所发现,1839年施旺和施莱登第一次明确的提出了细胞学说,即所有的生物体都是由细胞组成的。
- daughter cells of the apical cell 顶端细胞的子细胞
