Haemocoel | definition of haemocoel by Medical dictionary
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Related to haemocoel: hemocoel
The system of interconnected spaces within the bodies of arthropods containing blood or hemolymph.
[hemo- + G. koilōma, cavity]
Fig. 186 Haemocoel .
haemocoel the body cavity within many invertebrates, including arthropods and molluscs, which is an expansion of part of the blood system. In contrast with the COELOM, the haemocoel never opens to the exterior nor does it contain germ cells.