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【短片】蚊子吸血過程大解密 「吸血嘴」會轉彎
Aug 7th 2013, 15:02
【綜合報導】被蚊叮又痛又癢,有些人每日甚至被咬數次,擾人清夢,苦不堪言。 法國科學家紹美(Valerie Choumet)先替一隻老鼠注射抗體,然後透過顯微鏡拍下蚊叮老鼠的過程,發現原來蚊子的「吸血嘴」刺穿皮膚後,原來還可以轉彎。 影片顯示,蚊子的吸血嘴就像一根吸管,在刺入體內後,老鼠身上的抗體對唾液產生反應,保護微血管,但不足以阻止蚊子的吸血嘴「轉彎」探索其他較大的血管,然後飽餐一頓。 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. Five Filters recommends: 'You Say What You Like, Because They Like What You Say' - http://www.medialens.org/index.php/alerts/alert-archive/alerts-2013/731-you-say-what-you-like-because-they-like-what-you-say.html
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kkoki0httzobg
線上遊戲排行榜2013/2014,進擊的巨人線上看,candy crush saga外掛,正妹寫真三圍
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