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septum

noun
🔊/ˈseptəm/
🔊/ˈseptəm/
(plural septa
🔊/ˈseptə/
🔊/ˈseptə/
)
(anatomy解剖学)
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  1. a thin part that separates two hollow areas, for example the part of the nose between the nostrils隔膜；（动物）隔片，隔壁Topics Bodyc2
    Word Originmid 17th cent.: from Latin septum, from sepire ‘enclose’, from sepes ‘hedge’.