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单词	haemocoel
释义	haemocoel /ˈhiːməsiːl / (US hemocoel) noun Zoology The primary body cavity of most invertebrates, containing circulatory fluid.Arthropods also have a hemocoel, an open body cavity in which blood flows and bathes the tissues and organs.... The circulatory system includes a heart that pumps blood into an open body cavity or hemocoel. Other internal organs are suspended in a general hemocoel. Origin Late 19th century: from haemo- 'of blood' + Greek koilos 'hollow, cavity'.
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