查询词典 meatus

CT scan: width of groove of sigmoid sinus, Depth of GSS, the distance from the lateral wall of GSS to the surface of mastoid process, the distance from the anterior wall of GSS to the posterior wall of external auditory meatus, the distance from the most lateral portion of posterior semicircular canal to the surface of mastoid process, the distance from the most lateral portion of PSC to the anterior edge of GSS, the distance from the most posterior portion of PSC to the posterior pyramidal wall was (11.44±1.79) mm,(5.27±193) mm,(1038±390) mm,(1366±218) mm,(13.44±1.8) mm,(9.65+1.76) mm,(2.92±0.98) mm respectively B.

后半规管最外侧至乳突外表面的最近距离是(13.44±1.86)mm，至乙状窦沟前缘的距离是(9.65±1.76)mm，其最后部至岩骨后壁的距离是(2.92±0.98)mm。

Methods\ The size and shape of conchae, nasal meatuses and the structures of the lateral wall in middle nasal meatus were observed and measured on 67 sides of the sagittal head specimens and the distances from anterior nasal spine to other anatomic parts were also measured.

方法选用67侧正中矢状切的头部标本，观测各鼻甲、鼻道及中鼻道外侧壁结构的形态和大小，并测量前鼻棘至各解剖部位的距离。

Urethral injury should be suspected if there is (1) blood at the penile meatus,(2) perineal ecchymosis,(3) blood in the scrotum,(4) a high-riding or nonpalpable prostate, or (5) a pelvic fracture.

有下列情况应怀疑有尿道损伤：（1）尿道口有血迹（2）会阴部淤斑（3）阴囊内血肿（4）前列腺位置过高或触摸不清？

Result:The MR hydrography of inner ear of the patient displayed that there was an extradural high-signal intumescence which was like sliver shape and the edge of it was smooth and neat between the sigmoid sinus of the posterior cranial fossa and the inner acoustic meatus.

应用三维高级快速自旋回波序列横断扫描大前庭水管综合征患者的整个颞骨岩部，将所有原始图像传给网上工作站，应用最大密度投影法将图像进行三维重建，获内耳立体像。

Results: The satisfactory MPR images of cochlea, bony semicircular canals, internal auditory meatus and other intratemporal structures can be obtained. The SSD images could show some important bony marks of temporal bone and spatial relationships between them clearly. On coronal plane, SSD images can vividly demonstrate the shape and spatial relationships of malleus and incus. A series images were obtained as the virtual endoscope moved from the external auditory canal to the middle ear cavity.

结果：MPR能在不同切面显示耳蜗、半规管、内耳道及面神经管垂直段等结构，显示率为100%；SSD能清晰显示颞骨重要的骨性结构，如内耳门、颈静脉孔等，冠状位切割后的SSD图像能生动地显示锤骨、砧骨的立体形态及空间关系；CTVE可模仿内窥镜从外耳向中耳移动，清晰显示骨性外耳道、鼓室内侧壁及听骨链等结构。

Objective To study the scanning technique of HRCT for demonstrating the anatomical structures of the frontal sinus and its drainage channels, including ostium of frontal sinus, nasofrontal duct, ethmoid infundibulum, middle nasal meatus, etc.

目的 探讨高分辨力CT扫描对额窦引流通道(鼻额管、额窦窦口、筛漏斗、中鼻道等)解剖结构的显示及其扫描技术。

The ostium of frontal sinus Positions should be divided into two type by the interaction of basal lamella of bulla and cribriform roof. TypeⅠ: The ostium of frontal sinus is located in lateral sinus, flows through superiorsemilunar hiatus to middle nasal meatus. It is about 20%. TypeⅡ: The ostium of frontal sinus is located in ethmoid infundibulum, frontal recess and its cell, flows through interior semilunar hiatus to middle nasal meatus. It is about 80%. Among them there are about 62.5% in ethmoid infundibulum, about 37.5% in frontal recess.

额窦鼻口的位置可根据筛泡基板与筛顶连接的情况划分为两种类型：Ⅰ型额窦的鼻口开口于侧窦，经上半月裂流入中鼻道，约占20%；Ⅱ型开口于筛漏斗、额隐窝及其气房，经下半月裂流入中鼻道，约占80%，其中开口于筛漏斗约为62.5%；开口位于额隐窝约为37.5%。

Objective To supply suboccipital retrosigmoid approach drilling of the posterior wall of the internal acoustic meatus and preserving bone labyrinths. Methods Ten cadaveric adult heads were examined by internal acoustic meatus centered CT thin tomographic scan.

应用10例甲醛固定的汉族成人头颅湿性标本，以内耳道为中心进行了CT断层薄扫，在手术显微镜下磨开内耳道后壁，保护骨迷路，用游标卡尺、量规进行了测量。

Occasionally the preputial orifice is imperfectly related to the external meatus, so that the urinary stream balloons out the subpreputial space; this can be easily remedied by gently separating the prepuce from the glans in the region of the meatus by means of a probe.

偶尔 preputial 孔不完美地被联系到外部道，以便尿溪流汽球外面subpreputial空间；这能轻轻地是容易被补救了的由在区域把包皮在区域分开与龟头道由一根探针意味。

Methods According to the lack range of auricle,shape,external acoustic meatus and audition function request,ribcartilage kickstand was adopted to reforge auricle by stages and external acoustic meatus figuration was performed to renovate congenital microtia malformation.

根据耳廓缺损的范围、外形、耳道及听功能要求，采用肋软骨支架分期耳廓再造，同时行外耳道成形术修复先天性小耳畸形。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。