檢視胸廓上口的原始碼

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|<center>'''胸廓上口'''<br><img src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fci.xiaohongshu.com%2F01028h01ks3bnesrjzo010mw7elcahzji2%3FimageView2%2F2%2Fw%2F1080%2Fformat%2Fjpg&refer=http%3A%2F%2Fci.xiaohongshu.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1728526167&t=d859c70ed633dc4a1093e5e8c999b5bf" width="280"></center><small>[https://www.xiaohongshu.com/explore?source=xhs_sec_server&originalUrl=http%3A%2F%2Fwww.xiaohongshu.com%2Fdiscovery%2Fitem%2F62fc553600000000080111da 圖片來自小红书]</small> 
|}'''胸廓上口'''，是胸腔与颈部的通道。<ref>[http://www.a-hospital.com/w/%E8%83%B8%E5%BB%93%E4%B8%8A%E5%8F%A3 胸廓上口]A+医学百科</ref>由胸骨柄上缘、第1对肋和第1胸椎体围成。胸廓(thoracic cage)是胸腔壁的骨性基础和支架。胸廓由12个胸椎，12对肋(ribs)，和1个胸骨(sternum)借关节、软骨连结而组成。