hemocoel
noun
he·mo·coel
ˈhē-mə-ˌsēl 
: a body cavity (as in arthropods or some mollusks) that contains blood or hemolymph and functions as part of the circulatory system
Examples of hemocoel in a Sentence
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But the digestive system—which is unusually extensive in sea spiders, running down each leg—was contracting in waves, moving food in the gut as well as blood in the surrounding hemocoel cavity, the spider equivalent of veins and arteries.
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Katie Langin, Science | AAAS, 10 July 2017
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Katie Langin, Science | AAAS, 10 July 2017
Cite this Entry
“Hemocoel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemocoel. Accessed 30 Oct. 2025.
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hemocoel
noun
he·mo·coel
variants
also hemocoele
or chiefly British haemocoele
: a body cavity (as in arthropods or some mollusks) that normally contains blood and functions as part of the circulatory system
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