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肚脐里的 泥 究竟是啥？能抠吗？显微镜放大1000倍，真酸爽|棉签|脐炎

　　其实，肚脐是胎儿出生后 脐带脱落留下的疤痕。孩子在出生前，会有根脐带将母体和胎儿相连，母体通过脐带将营养输送给胎儿。孩子出生时，脐带会被医生剪断，分离母亲和孩子。孩子身上残留的一小段脐带通常会在出生一周后自然脱落，其愈合的伤口便是肚脐。 　　民间传言“肚脐通肠道”，因此对它保护有加，甚至通过“肚脐药膏”等药物治病。 实际上，肚脐哪å

United statesSouth koreaUnited states north universityForce roadஒன்றுபட்டது மாநிலங்களில்தெற்கு கொரியாபடை சாலை

忍不了了！美国病毒学者呼吁拉黑攻击武汉实验室的美国媒体_腾讯新闻

忍不了了！美国病毒学者呼吁拉黑攻击武汉实验室的美国媒体_腾讯新闻
qq.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from qq.com Daily Mail and Mail on Sunday newspapers.

United statesUnited kingdomRand paulUnited states north universityResearch centerPakistan ricka researchSchoola researchUnited states university of utahGuoa united states national health instituteUnited states national health instituteNew crownAnti chinaInfectious diseasesAnti chile chinaAnti chileUnited states republican

忍不了了！美国病毒学者呼吁拉黑攻击武汉实验室的美国媒体

忍不了了！美国病毒学者呼吁拉黑攻击武汉实验室的美国媒体
163.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from 163.com Daily Mail and Mail on Sunday newspapers.

United statesUnited kingdomRand paulUnited states north universityResearch centerPakistan ricka researchSchoola researchUnited states university of utahGuoa united states national health instituteUnited states national health instituteNew crownAnti chinaInfectious diseasesAnti chile chinaAnti chileUnited states republican
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