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	Anisotropic shrinkage of insect air sacs revealed in vivo by X-ray microtomography
	Xu, L; Chen, RC; Du, GH; Yang, YM; Wang, FX; Deng, BA; Xie, HL; Xiao, TQ
刊名	SCIENTIFIC REPORTS
	2016
卷号	6页码:-
ISSN号	2045-2322
通讯作者	Xiao, TQ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201204, Peoples R China. ; Xiao, TQ (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
英文摘要	Air sacs are thought to be the bellows for insect respiration. However, their exact mechanism of action as a bellows remains unclear. A direct way to investigate this problem is in vivo observation of the changes in their three-dimensional structures. Therefore, four-dimensional X-ray phase contrast microtomography is employed to solve this puzzle. Quantitative analysis of three-dimensional image series reveals that the compression of the air sac during respiration in bell crickets exhibits obvious anisotropic characteristics both longitudinally and transversely. Volumetric changes of the tracheal trunks in the prothorax further strengthen the evidence of this finding. As a result, we conclude that the shrinkage and expansion of the insect air sac is anisotropic, contrary to the hypothesis of isotropy, thereby providing new knowledge for further research on the insect respiratory system.
收录类别	SCI
语种	英语
WOS记录号	WOS:000382364600002
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/26426]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
推荐引用方式 GB/T 7714	Xu, L,Chen, RC,Du, GH,et al. Anisotropic shrinkage of insect air sacs revealed in vivo by X-ray microtomography[J]. SCIENTIFIC REPORTS,2016,6:-.
APA	Xu, L.,Chen, RC.,Du, GH.,Yang, YM.,Wang, FX.,...&Xiao, TQ.(2016).Anisotropic shrinkage of insect air sacs revealed in vivo by X-ray microtomography.SCIENTIFIC REPORTS,6,-.
MLA	Xu, L,et al."Anisotropic shrinkage of insect air sacs revealed in vivo by X-ray microtomography".SCIENTIFIC REPORTS 6(2016):-.

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