Damaged bone will spontaneously heal provided the defect is not over a critical limit, but when the defect is critical-sized, it will be filled by fibrous tissue because the osteoblast cells can not pass the gap between two broken bones. 较小范围的骨缺损可以由机体自身的再生得到修复,而较大间隙的骨缺损则由于成骨细胞难以越过而不能正常愈合,若不采用适当治疗则最终仅由纤维组织充填,形成骨不连。
Lucifer yellow CH ( LY ) could pass through gap junction to neighboring cells, which were directly observed under inverted fluorescent microscope from different groups and at different hypoxia / reperfusion by scrape loading and dye transfer ( SLDT ). 采用细胞划痕技术,在倒置荧光显微镜下直观地观察不同组别、缺氧再灌注不同时间罗氏黄经过缝隙连接流通情况。
If we let the Jin troops pass, the gap between Guo's destruction an our is only a period of morning to evening. 如果我们让晋军通过,他们早晨灭掉虢国,晚上就该轮到虞国了。
A pass between two mountain peaks or a gap in a ridge. 隘口,两个山峰间的通路或者山脊上的裂口。
Diffraction is the bending, spreading and interference of waves when they pass by an obstruction or through a gap. 衍射就是指当波通过一个小孔,或者一个障碍物体,发生的波的弯曲、扩散和干涉的现象。