ULTRASTRUCTURAL ASPECTS OF THE SOMATIC AND BUCCAL INFRACILIATURE OF COLEPS-AMPHACANTHUS EHRENBERG 1833

ULTRASTRUCTURAL ASPECTS OF THE SOMATIC AND BUCCAL INFRACILIATURE OF COLEPS-AMPHACANTHUS EHRENBERG 1833
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DOI:
10.1007/bf01276368
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发表时间:
1987-01-01
期刊:
影响因子:
2.9
通讯作者:
HUTTENLAUCH, I
HUTTENLAUCH, I
中科院分区:
生物学3区
文献类型:
--
作者:
HUTTENLAUCH, I

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用光学显微镜和电子显微镜对双刺鞘蛾Coleps amphacanthus Escherberg 1833的体纤毛和颊纤毛下结构进行了研究。体细胞动力由单动子和2个双动子组成。单核动细胞与纤毛后微管三联体9,动连丝纤维三联体5和7和近径向排列的横向微管三联体4。双动子的后动体的相关纤维系统与单动子相似。前激动体与三联体4处的横向微管和三联体9处的一个或几个纤毛后微管相关。前动体只有短纤毛。口纤毛器由一个近口周排列的口旁双动体和3个位于口腹左侧的口旁细胞器组成。由口纤毛产生的线虫连丝是细胞咽器的主要组成部分,细胞咽器由纤毛后起源的微管带排列。口腔被口乳头包围,口乳头内常含有毒囊。
Somatic and buccal infraciliature of Coleps amphacanthus Ehrenberg 1833 were studied by light and electron microscopy. The somatic kineties are composed of monokinetids and 2 dikinetids at the anterior end of each kinety. The monokinetids are associated with postciliary microtubules at triplet 9, a kinetodesmal fiber at triplet 5 and 7 and nearly radially arranged transverse microtubules at triplet 4. The associated fibrillar systems of the posterior kinetosome of the dikinetids are like those of the monokinetids. The anterior kinetosome is associated with transverse microtubules at triplet 4 and one or few postciliary microtubules at triplet 9. The anterior kinetosome bears only a short cilium. The oral ciliature is composed of a kinety of nearly circumorally arranged paroral dikinetids and 3 adoral organelles at the ventral left side of the oral opening. Nematodesmata arising from the oral ciliature form the major component of the cytopharyngeal apparatus which is lined by microtubular ribbons of postciliary origin. The buccal cavity is surrounded by oral papillae which often contain toxicysts.