upper jaw

First a fist broke her upper jaw leaving her unconscions.

他们先是一拳打破她的上颌,使她昏了过去.

Scientists have named the new species Australopithecus deyiremeda. Researchers used a partial upper jaw and two lower jaws ( one recovered in two pieces), to describe the species.

科学家把这一新物种命名为Australopithecus deyiremeda（南猿近亲属），研究员利用一个上颌和两个下颌（下颌被发现时已是两半）来描述这一物种。

Unfortunately, the fourth premolar in the upper jaw is quite large and looks like the first molar in the lower jaw; it is known as a carnassial tooth.

不幸的是，上颚的第四颗前臼齿很大，看起来就象是下颚的第一颗臼齿，这颗前臼齿也被称作叫裂齿。

Crucially, 62000 has a reasonably well-preserved upper jaw, which the type specimen lacks.

关键是，62000样本拥有一个保存相当完好的上颌，而这正是这一类型的样本所缺少的。

By setting two perspective cameras at the first molars of the upper jaw and using the OpenGL selection mode, the real-time collision detection with high efficiency between lower and upper jaws can be realized as the lower jaw rotates around the axis of the articulator.

该方法通过在上颌左右第一磨牙近中舌尖处建立透视视景体，利用OpenGL的选择模式，可以实时地检测下颌模型绕牙合架转动轴线旋转过程中与上颌模型碰撞对位情况，效率很高。

It has a pair of large canine teeth in its upper jaw.

在它的上颚有一对大的犬齿.

The tooth was drawn from the upper jaw.

牙从上腭取下来了.

The buccal-pharynx cavity was large and there were serration cingula on the upper jaw and mandible, vomer and palatine bone; The mucosa was composed of stratified squamous epithelium with many mucous secretory cells and a few goblet cells in buccal-pharynx cavity;

口咽腔较大，上下颌，犁骨及腭骨均有细齿带，粘膜由复层鳞状上皮组成，并含有大量黏液细胞和少量杯状细胞；

One group of whales has, instead of teeth, long strips of bone, hanging from their upper jaw. This is the baleen whale, the largest animal in the world.

有一类鲸鱼，用从上颚骨垂下来的长条状的骨头代替牙齿，它就是须鲸，是世界上最大的动物。

Large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait. giant warm-water game fish having a prolonged and rounded toothless upper jaw.

大型的软体昆虫，雄性有细长的下颚；其水栖幼虫经常被用作鱼饵。温暖水域中有着又长又尖的无牙颚部的巨大猎用鱼。

Dental Implanting Technique for Inadequate Upper Jaw bone of Maxillary Incisors With the mature and pervasion of dental implant technology nowadays, we are illuminated to consummate the technology of transplantation of frozen autogenous mandible and try to rebuild the occlusion function of the mandible.

近年来，随着牙种植技术的逐渐成熟与普及，启发我们进一步完善冷冻自体肿瘤下颌骨再植技术，并力求重建再植下颌骨的咬合功能。

Upper body discomfort in one or both arms, the back, neck, jaw, or stomach.

上体不适.具体包括单臂或双臂 、 背部 、 颈部 、 颚部或腹部不适.

The position relation between and upper jaw and mandible during the hinge movement.

铰链运动状态下下颌对上颌骨的位置.

Primo, the acanthopterygians, whose upper jaw is fully formed and free-moving, and whose gills take the shape of a comb.

第一目是硬鳍鱼，上鳃是完：整的，能动的，鳃作梳子形。