查询词典 psammoma

They correspond to clusters of psammoma bodies at cytological or histological examination.

他们对应的集群砂砾体在细胞学或组织学检查。

The study of the mechanism of psammoma body formation is very important for the clinic to differentiate the disease from others.

本文总结了砂粒体在甲状腺癌诊断中的应用以及砂粒体形成机制研究中的最新进展。

The expression levels of OPN mRNA was related with psammoma bodies in tumor tissue.

乳头状甲状腺癌OPN mRNA的表达量与病理砂粒体的存在相关。

The mechanism of psammoma body formation in thyroid tumors is still controversial.

在甲状腺肿瘤中形成砂砾体机制仍有争议

Psammoma body has unique features in terms of pathology, cytology and imageology.

认识其本质及形成机制对于甲状腺癌的鉴别诊断具有重大的意义。

The expression levels of opn mrna was related with psammoma bodies in tumor tissue. opn may play a role in the development of thyroid papillary carcinoma.

乳头状甲状腺癌opn mrna的表达量与病理砂粒体的存在相关。opn在乳头状甲状腺癌的发生、发展中发挥一定作用。

Note the small psammoma body in the center.

图示中央为小砂粒体。

True psammoma bodies are found in up to 50%of papillary thyroid carcinoma at histology, in particular, in tumors that show a predominantly papillary growth pattern , while they are absent from the follicular variant .

真的砂砾体在高达50 ％的乳头状甲状腺癌组织中被发现，特别是在乳头状增长方式为主的肿瘤，而他们是没有滤泡变。

As a special structure in papillary tumors and appearing as microcalcification in the imaging examination, psammoma body has been considered of great significance in the diagnosis of thyroid carcinoma.

砂粒体作为乳头状肿瘤中的特殊病理结构，并在影像学上表现为微小钙化，对于甲状腺癌，特别是甲状腺乳头状癌原发灶及转移灶的病理学、细胞学、以及影像学诊断具有重要的意义。

The psammoma body mineralization in meningioma is a common type of mineralizationThe analysis of the mineral composition may provide some support information in finding the reason of happening and developing of the diseaseThis paper focuses on the concentric layered structure mineralization in meningiomas, using mineralogical methods, such as HRSEM, ESEM, EDAX, EPMA, HRTEM, XRD and FTIR to systematically investigate the mineral composition, structure and shape of the minerals in psammoma bodies in meningiomasWe have devised a method for preparing the silicon wafer sheet which was used for the ESEM insitu observations and analysisIn this study, we first got the ESEM and HRTEM images of the initial mineralization phase of meningiomasThese images showed that in the early stage of psammoma body mineralization in meningiomas, many mineralized balls composed of octocaphosphate were precipitated on the collagen fibersThese balls continued to grow and aggregate, and were gradually hydrolyzed to become the dahlliteThe continued development of mineralization resulted in the mineralized collagen fibersThe study revealed that the concentric layered structure of the psammoma bodies in meningiomas is formed by the spiral arrangement of the mineralized collagen fibers on which the mineralized grains precipitated.

砂粒体矿化是脑膜瘤中常见的矿化类型，对其形成机理和矿物成分的分析可能会对肿瘤发生、发展的研究提供辅助信息。该研究选取人脑膜瘤中的砂粒体矿化作为研究对象，采用偏光显微镜、环境扫描电镜及能谱、X射线衍射仪、高分辨透射电镜和电子探针对样品的形貌、结构和成分进行测试分析，并以此为依据探讨脑膜瘤中砂粒体的形成机理。研究结果表明矿化的初期为沉淀在胶原纤维上的矿化小球，成分为磷酸八钙；矿化小球不断生长聚集，并逐步水解为碳羟磷灰石晶体，矿化的不断发展致使胶原纤维也发生矿化。砂粒体的同心层状构造是由螺旋状排列的矿化胶原纤维及沉淀在其上的矿化颗粒组成的集合体，而不是多数研究中所述：砂粒体是以坏死细胞残骸为中心由内至外的同心层沉淀。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐