The entrance of the birth canal , where the baby begins its journey , is widest from side to side relative to the mother ' s body 原来人类产道的横切面是连续变化的,入口处(就是胎儿进入人世的起点)最宽的地方朝向母体的两侧。
Diagnosis of spina bifida requires the systematic examination of each neural arch from the cerical to the sacral region both transersely and longitudinally 诊断脊柱裂需要在横切面和纵向上从颈部到骶区进行系统的检查每一个神经弓。
Methods to adopt a mill - like method to obtain ( soaked in 10 % formalin more than 2 years ) thin level cross sections of a head and take digital photograph one by one 方法采用薄层冰冻铣切技术做颅脑标本的横切面,并用数码相机逐层照相。
The results showed that the root transactions had significant differences in periderm , phloem , and xylem between cultivated and wild salvia miltiorrhiza 结果表明,在解剖横切面上,栽培与野生丹参根的周皮、韧皮部、木质部具有显著差异。
This journey through a passageway of changing cross - sectional shape makes human birth difficult and risky for the vast majority of mothers and babies 由于人类产道的横切面长轴不断变换方位,生产对大部份产妇与胎儿而言,都是困难而冒险的事。
Examination of the fetal brain can essentially be carried out by two transerse planes , commonly referred to as the transentricular and the transcerebellar plane 检查胎儿大脑基本上可以通过两个横切面来观察,通常是经侧脑室平面和经小脑平面。
Chinese dragon two handed jian was not made after the early two handed jian because the blade profile and cross section were different from the period pieces 中国卷双手剑并不是依照以上两代的双手剑制作,因为刃的横切面及型态均与当时的双手剑不同。
The light reflection near the edge areas tell tale about the apple seed blade geometry , forming a pair of strong edges for cutting 从相片中可见,两边锋口的反光均集中在某两个区域,显出那里的刃横切面为弧形,形成了一双强而有力的剑锋,可承受全力斩之用。
Vessels solitary with angular outline ; perforation plates scalariform ; intervessel pits and vessel - ray pitting alternate to scalariform ; helical thickenings only in vessel elements tails 导管横切面为多角形,单管孔,散生。螺纹加厚仅出现导管分子尾端。梯状穿孔为主。