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acetabular glands
相关语句
  钻腺
     IMMUNOGENICITY OF SECRETION MATERIALS OF ACETABULAR GLANDS OF SCHISTOSOMA MANSONI CERCARIAE
     曼氏血吸虫尾蚴钻腺分泌物的免疫原性
短句来源
     Schistosoma japonicum: Histochemical Demonstration of Magnesium in the Acetabular Glands of Cercariae
     日本血吸虫:尾蚴钻腺内镁盐的组织化学定位
短句来源
  “acetabular glands”译为未确定词的双语例句
     ULTRASTRUCTURE OF THE HEAD GLAND AND ACETABULAR GLANDS OF SCHISTOSOMA JAPONICUM CERCARIA
     日本血吸虫尾蚴头腺及钻腺的超微结构
短句来源
     TRANSMISSION ELECTRON MICROSCOPIC OBSERVATION AND HISTOCHEMICAL STAINING ON THE ACETABULAR GLANDS OF ORIENTOBLHARZIA TURKESTANICA VAR TUBERCULATA CERCARIAE
     土耳其斯坦东毕吸虫结节变种尾蚴穿刺腺的组织化学及超微结构观察
短句来源
  相似匹配句对
     IMMUNOGENICITY OF SECRETION MATERIALS OF ACETABULAR GLANDS OF SCHISTOSOMA MANSONI CERCARIAE
     曼氏血吸虫尾蚴钻腺分泌物的免疫原性
短句来源
     ULTRASTRUCTURE OF THE HEAD GLAND AND ACETABULAR GLANDS OF SCHISTOSOMA JAPONICUM CERCARIA
     日本血吸虫尾蚴头腺及钻腺的超微结构
短句来源
     Tuberculosis of the Parotid glands
     腮腺淋巴结核(附41例报告)
短句来源
     Treatment of Acetabular Fracture
     髋臼骨折的治疗
短句来源
     the function of salt glands;
     盐腺泌盐功能的特点 ;
短句来源
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  acetabular glands
Both species expressed antigens related to the cercarial glycocalyx on the parasite body and antigenically detectable elastase in the acetabular glands, at least until 22?h after infection.
      


As cercarial secretion material (CSM) from the acetabular glands is the first subs-tance to contact the host during infection, the question is raised whether the CSM is immunogenic. We have compared the immunizing abilities of newly-transformed schistosomula-like organisms with intact CSM and with schistosomula in which the CSM has been depleted by prolonged cultivation. A Puerto Rican strain of Schistosoma mansoni was used. Female CF1 mice were immunized by the injection of schistosomula which had been...

As cercarial secretion material (CSM) from the acetabular glands is the first subs-tance to contact the host during infection, the question is raised whether the CSM is immunogenic. We have compared the immunizing abilities of newly-transformed schistosomula-like organisms with intact CSM and with schistosomula in which the CSM has been depleted by prolonged cultivation. A Puerto Rican strain of Schistosoma mansoni was used. Female CF1 mice were immunized by the injection of schistosomula which had been transformed from X-irradiated cercariae at 36kR. CSM-intact schistosomula-like organisms were used for immunization immediately after their transformation by the syringe technique. CSM-depleted schistosomula were prepared by incubating them in Earlc's saline with 0.65% lactabumin hydrolysate in a CO2 incubator at 37℃ for 14 hrs. Purpurin and PAS staining showed that both the pre- and post-ace tabular glands were depleted of CSM in the cultured, but not in the uncultured schistosomula. For each immunization, 500 schistosomula-like organisms or schistosomula were injected intramuscularly into the right hind limb. Mice were immunized 3 times at 4 week intervals, then challenge-infected with 100 cercariae 30 days after the last immunization. Age-matched unimmunized control mice were similarly exposed to 100 challenge cercariae. Worms were recovered by perfusion 41-44 days after challenge.Fifty-three mice were divided into three groups. GroupⅠ consisted of 18 unimmunized controls; Group Ⅱ, 20 mice immunized with CSM-intact schistosomula-like organisms; and Group Ⅲ, 15 mice immunized with CSM-depleted schistosomula. Mean worm recoveries from the challenge infections were 50.5 (±13.8), 21.9 (±11.0), and 28.9 (±8.7) for Groups Ⅰ,Ⅱand Ⅲ, respectively. Analysis of variance on arcsin transformed data indicated significant differences among the three group means (F= 32.82, P<0.001). Duncan's test showed significant differences among all three means at the 5% level. Worm reductions were 56.6 and 42.8% in Groups Ⅱ and Ⅲ, respectively. The results of the present study show that CSM is a protective immunogenic substance in this case, but it should be considered only as an auxiliary immunogen, because CSM-depleted schistosomula were also protective, though to a less extent.

CF1小鼠经3次肌肉注射大剂量X线照射的曼氏血吸虫童虫后对同种尾拗的攻击感染具有明显的免疫保护作用,注射合钻腺分泌物童虫样机体的保护作用较注射不含钻腺分泌物童虫的更强。与对照组相比,前者的减虫率为66.6%,后者的为42.8%。经统计分析,各组回收虫数的均值差异存在显著性。本研究结果表明尾蚴钻腺分泌物是一种保护性免疫原物质。

The chemical nature of the secrections of the glands involved in the penetration process and the surface structure with special reference to penetration of cercariae of Schistosoma japowicum were studied by means of histochemistry and scanning electron microscopy.The glandular system of S. japonicum cercariae consists of three different types of large unicellular glands, namely, one head gland, 2 pairs of pre- and 3 pairs of postr acetabular glands. These glands differ in position, gross feature,...

The chemical nature of the secrections of the glands involved in the penetration process and the surface structure with special reference to penetration of cercariae of Schistosoma japowicum were studied by means of histochemistry and scanning electron microscopy.The glandular system of S. japonicum cercariae consists of three different types of large unicellular glands, namely, one head gland, 2 pairs of pre- and 3 pairs of postr acetabular glands. These glands differ in position, gross feature, histochemistry and functions. As thin starch film and gelatine film substrates were lysed by the living cercariae, both polysaccharase and protease activity were demonstrated in the secretions from the pre- and/or post-acetabular glands of cercariae of S. japonicum.The apex of the head organ form a slightly elevated disc-like area on which are the openings of the pre- and post-acetabular gland ducts. They are linearly arranged into two separate lateral crescents. Each duct opening is encircled by a raised tegumentary folds. There are seven papillae on the convex edge of each crescent. The mouth is situated on mid ventral surface of the head organ and lay within a spineless depression of the tegument. With the exception of the apical region of the head organ of the cer-caria, the whole body surface is covered with backward pointing spines. The spines on the head organ are a little rounder and less spaced than those on the other parts of the body. The number and arrangment of the tegumentary papillae observed by SEM are in accordance with those by acetylthiocholine iodide method, indicating that the aeetylcholinesterase activities are intense in the papillae.

日本血吸虫尾蚴具有一个头腺、2对前钻腺及3对后钻腺,其解剖学位置、构造、化学成分及功能均有区别。钻腺分泌物含有多糖酶及蛋白酶。尾蚴的前端系特化的头器结构,它具有半月形嵴、钻腺开口及乳突。

Freshly shed Schistosoma japonicum cercariae and 6-24 hrs sohistosomula recovered from isolated mouse skins were used for the present studies. 0,05% neutral red-potassium hydroxide staining was used to determine the viability of cercariae and schistosomula.Evacuation of the contents of the acetabular glands was observed in the schisto-somula obtained from isolated mouse skins 6-24 hrs after inoculation. By using histo-chemical method, it was found that the tegument of cercariae showed a very thin layer...

Freshly shed Schistosoma japonicum cercariae and 6-24 hrs sohistosomula recovered from isolated mouse skins were used for the present studies. 0,05% neutral red-potassium hydroxide staining was used to determine the viability of cercariae and schistosomula.Evacuation of the contents of the acetabular glands was observed in the schisto-somula obtained from isolated mouse skins 6-24 hrs after inoculation. By using histo-chemical method, it was found that the tegument of cercariae showed a very thin layer of PAS and alcian blue staining positive material which was fast for diastase and hyaluronidase digestion; however, these positive reactions were absent in sehistosomu-la which were negative in the meantime for CHE.Cercariae not only survived in the dechlorinated tap water but also in the medium of 15% rabbit serum+RPMI-1640 up to 99% for 24 hrs, while in normal saline only 13.6% were alive. Unlike the cercaria, the schistosomulum was. saline-adapted and water-intolerant. All schistosomula died completely within 6 hrs in both deeh-lorinated tap water and distilled water, while 84.1-84.2% arid 97.71-99.8% of the schistosomula were alive in mormal saline, and 15% rabbit serum+RPMI-1640 medium respectively for 24 hrs.Skin-transformed schistosomula aged 6-24 hrs were injected subcutaneously or intraperitoneally to mice. 45.4-64.5% and 56.9-64.9% were recovered as adult worms 6 weeks after injection respectivelv. However, no worm was recovered from the percutaneous route.

本文介绍了经0.05%中性红-氢氧化钾染色确定为活的血吸虫尾蚴和童虫的生理学比较结果。与尾蚴相比,童虫体表对PAS及Alcian蓝阳性反应消失,与抗血清接触不再产生套膜反应;对水不能耐受,在淡水中6小时内已全部死亡,而在生理盐水中仍有92.7%存活;钻腺内含物排空,童虫不能再经皮肤感染,但越过皮肤屏障若被注入皮下或腹腔则分别有45.4—46.5%及56.9—64.9%发育为成虫。

 
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