hemocoel

[ hee-muh-seel, hem-uh- ]

noun

, Anatomy.

1. a series of interconnected spaces between tissues and organs through which blood flows freely, unconfined by veins or arteries, occurring in several invertebrate groups, especially mollusks and arthropods.

Word History and Origins

Origin of hemocoel¹

First recorded in 1830–40; hemo- + -coel ( def )