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The evolutionary relationships were investgated by comparing the results from molecular data alone or molecular data combined morphological characters using different analysis methods: maximum parsimony by PAUP(superscript *) 4.0 and Bayesian inference by MrBayes 3.0B4. Base composition and ti/tv of 28S rDNA D2 regions were analyzed by PAUP(superscript *) 4.0. The results showed that GC content of the 28S rDNA D2 gene sequences of subfamily Euphorinae ranges from 40.00% to 49.25%. Transversion frequency of sequence variable sites among species of Euphorinae was higher than that of transition. The subfamily Euphorinae was proved to be a paraphyletic group with close relationship to subfamilies Neoneurinae and Cenocoelinae; only two tribes, Meterorini and Microctonini, were proved to be monophyletic groups; Centistini, Cosmophorini, Euphorini and Dinocampini were paraphyletic groups; the basal position of tribe Meterorini within Euphorinae was partially supported by our phylogenetic trees, and tribe Microctonini was proved to be a group at the top of the trees.
结果表明:优茧蜂亚科的28S rDNA D2基因序列片段的GC%含量在40.00%~49.25%之间变动,而对于碱基替代情况来讲,优茧蜂亚科各个成员间序列变异位点上颠换大于转换;不同的分析和算法所产生的系统发育树都表明目前根据形态定义出的优茧蜂亚科Euphorinae不是一个单系群,而是一个与蚁茧蜂亚科Neoneurinae和高腹茧蜂亚科Cenocoelinae混杂在一起的并系群;在优茧蜂亚科内部,悬茧蜂族Meterorini和食甲茧蜂族Microctonini(排除猎户茧蜂属Orionis)为单系群,而宽鞘茧蜂族Centistini、大颚茧蜂族Cosmophorini、优茧蜂族Euphorini、瓢虫茧蜂族Dinocampini为并系群;悬茧蜂族Meterorini在优茧蜂亚科Euphorinae内位于基部位置的观点得到部分的支持,同时食甲茧蜂族Microctonini被判定为相对进化的类群。
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Results In the 12 cases with 17 nonbronchial systemic arteries (4 were intercostal, 3 internal mammary, 3 thyrocervical trunk, 3 inferior phrenic, 1 left gastric, 2 originated from the inferior aortic arch, and 1 originated from anterior abdominal aortic wall).
结果12例共17支肺外体循环动脉中,包括4支肋间动脉、3支内乳动脉、3支甲状颈干、3支膈动脉、1支胃左动脉、2支动脉源于主动脉弓下缘和1支动脉源于腹主动脉前壁。
- 更多网络解释与内腹甲相关的网络解释 [注:此内容来源于网络,仅供参考]
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endosteitis:骨内膜炎
endosporous 内孢子的 | endosteitis 骨内膜炎 | endosternite 内腹甲
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endosternite:腹内骨
endosternite 内腹甲 | endosternite 腹内骨 | endosteum 骨内膜
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endosternite:内腹甲
endosteitis 骨内膜炎 | endosternite 内腹甲 | endosternite 腹内骨
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endosternite:内腹甲/腹内骨
endosteitis /骨内膜炎/ | endosternite /内腹甲/腹内骨/ | endosternum /内腹板/
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endosternum:内腹板
endosternite /内腹甲/腹内骨/ | endosternum /内腹板/ | endosteum /骨内膜/
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entoplastron:內腹甲
内神经系统 entoneural system | 内腹甲 entoplastron | 内肛动物 ENTOPROCTA
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entosternum; entoplastron:內腹甲
内翼骨 entopterygoid | 内腹甲 entosternum; entoplastron | 内颚目 ENTOTROPHI
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entopterygoid:內翼骨
内肛动物 ENTOPROCTA | 内翼骨 entopterygoid | 内腹甲 entosternum; entoplastron
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ENTOTROPHI:內顎目
内腹甲 entosternum; entoplastron | 内颚目 ENTOTROPHI | 内鼓骨 entotympanic bone; metatympanic bone
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Platysternidae:平胸龟科
代表性的种类有(图18-33):(一)平胸龟科(Platysternidae)本科仅1属1种,即平胸龟(Platysternon megacephalum). 头大颌强,上喙钩曲呈鹰嘴状,俗称大头龟或鹰嘴龟;尾长,约与腹甲长相等;头、肢及尾不能缩入龟壳内;龟壳扁平,背、腹甲以韧带连接.