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oral aperture
相关语句
  “oral aperture”译为未确定词的双语例句
     Oral aperture is an unique layer.
     孔不分层;
短句来源
  相似匹配句对
     Oral aperture is an unique layer.
     孔不分层;
短句来源
     Oral Hygiene
     口腔卫生
短句来源
     Oral Cnglish
     英语口语
短句来源
     Aperture Couplings of Waveguide
     波导管孔隙耦合
短句来源
     Synthetic Aperture Ladar
     合成孔径激光雷达
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  oral aperture
Various types of presumably sensory structures surround the small oral aperture.
      
We should aim to achieve the correct size of the oral aperture without disturbing the activity of the surrounding musculature of the mouth.
      
is proposed for all those genera (formerly included in the Rhigonematidae) with the cephalic capsule laterally compressed to form a dorsoventrally orientated oral aperture.
      
Two species, both from polydesmid diplopods, bear an unusual pedunculate, flap-like projection on each sector of the triangular oral aperture and have only thirteen copulatory papillae.
      
senticosum, such as the presence of minute cephalic papillae (10 papillae in 2 circles) and amphids surrounding the small oral aperture, and to confirm the absence of an anal opening in this species.
      
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This paper deals with the morphology of the alimentary canals of Hippocampus kuda Bleeker,H.japonicus Kaup and H.trimacutatue Leach. These fishes are of similarity in gross morphology. The alimentary canals of the 3 species can all be divided into 4 portions in the same manner:the head-gut, the fore-gut,the mid-gut and the hind-gut.Among them,the length of the mid-gut is the longest.The oral aperture is small, and the oral cavity is tube-shaped. No teeth, gill rakers and tongue exist it within the...

This paper deals with the morphology of the alimentary canals of Hippocampus kuda Bleeker,H.japonicus Kaup and H.trimacutatue Leach. These fishes are of similarity in gross morphology. The alimentary canals of the 3 species can all be divided into 4 portions in the same manner:the head-gut, the fore-gut,the mid-gut and the hind-gut.Among them,the length of the mid-gut is the longest.The oral aperture is small, and the oral cavity is tube-shaped. No teeth, gill rakers and tongue exist it within the orobranchial cavity.The gill cleft has transformed into a very small aperture.They have no stomach and pyloric caecum.In all of these species,the anterior part of the mid-gut becomes dilated, thus forming the so called"pseudogaster ".In histological construction,the common feature is:their epithelium of the mucous-membrance is mainly composed of columnar cells and spherical secretory cells. Multicellular glands and test buds have not been found out in the headgut.The difference between H.kuda and H.japonicus may be well recognized in the shape of the longitudinal folds of the esop-hagus,the distribution of the spherical secretory cells,and the arrang-ment of muscle layers and the shape of ephithelial cells of the pseudogaster.

本文研究了大海马Hippocampus kuda Bleeker,日本海马H·japonicus kauP和三斑海马H.trimacutatue Leach消化道的形态学。三种鱼类消化道的解剖学特点基本相同。消化道均可区分出头肠、前肠、中肠和后肠。中肠最长。口孔小,口腔呈管状,口鳃腔内无齿,无鳃耙,无舌,鳃孔小。不具胃,也无幽门垂,中肠前部稍为扩大形成假胃。 组织学方面共同特点为:粘膜上皮主要由柱状细胞和球形分泌细胞组成。上皮内无多细胞消化腺,未发现味蕾。大海马与日本海马在食道纵褶的形状,球形分泌细胞的分布区,假胃肌层的排列及上皮细胞的形状等方面有种的差别。

This article deals with a new species of Eugenuris from the largeintestine of vole(mirotus. sp.), which has been found in the Jia Cha county,Xizang (Tibet) Autonomous Region.The new species can be distinguished from the others of the genus by fol-lowing characteristics. a. Oral aperture is an unique layer. b. The large larynx is bowl-shaped and located at the bottom of the oralcavity. c. It has four cephalid papilla. d. On the out edge of clocal atrium, the new species has five pairs of pa-pillas. e. The...

This article deals with a new species of Eugenuris from the largeintestine of vole(mirotus. sp.), which has been found in the Jia Cha county,Xizang (Tibet) Autonomous Region.The new species can be distinguished from the others of the genus by fol-lowing characteristics. a. Oral aperture is an unique layer. b. The large larynx is bowl-shaped and located at the bottom of the oralcavity. c. It has four cephalid papilla. d. On the out edge of clocal atrium, the new species has five pairs of pa-pillas. e. The egg of this species is small (0.08~0.083 mm×0.038~0.040 mm)with a plug at one end.

本文记述了源于西藏高寒山区田鼠大肠内一寄生线虫新种,隶属线虫纲、尖尾科、真殖属该虫种与同属原有种之间主要鉴别特征在于;a.孔不分层;b.咽大似碗状,接于口底;c.头端具有4枚乳突;d.泄殖孔外缘为5对乳突;e.虫卵偏小(0.080~0.083 mm×0.038~0.040mm)。一端有一小卵栓。

 
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