Solidot: 宇航员的心脏在太空中会变形

Solidot

奇客的资讯，重要的东西

宇航员的心脏在太空中会变形
http://solidot.org.feedsportal.com/c/33236/f/556826/s/38d6734b/sc/17/l/0L0Ssolidot0Borg0Cstory0Dsid0F38958/story01.htm
Apr 1st 2014, 03:14

进入太空的宇航员不仅仅会受到骨骼密度和肌肉质量损失以及视力下降的影响，一项新研究发现他们的心脏也面临风险：宇航员的心脏形状在太空中会变成球形。研究人员利用安装在国际空间站的超声波机器获取了宇航员的心脏图像，有12名宇航员参与了他们的研究，这些宇航员在执行太空任务前、中间和返回地球后向研究人员提供了心脏形状的数据。研究人员认为，心脏形状的变化是临时性的，表明心脏在零重力环境中的执行效率略低。This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers.



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