oop.
胎児ば,だいたい9ケ月の間お母さんの子宮の中の羊水に浮かんで育ちます。その羊水が,はがれた皮膚や抜けた髪の毛などで汚れてくると,胎児は羊水を口から飲み込んで,自分のおなかの中できれいにしてオシッコにしてもどします。そして,羊水の中のゴミは腸にためておき,生まれてから一番最初のうんことして出すのです。これが「胎便」です。
胎児スゲー (胎便写真) (via nonke) (via plasticdreams)
2008-02-24 (via gkojay) (via subdub) (via nemoi) (via handa) (via yamato)
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