hemocoel

American  

[hee-muh-seel, hem-uh-] / ˈhi məˌsil, ˈhɛm ə- /

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.

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Etymology

Origin of hemocoel

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

Example Sentences

Blood in closed circulatory system is not enclosed in blood vessels, but is pumped into a hemocoel, which circulates around the organs, then reenters the heart through ostia.

From Textbooks • Jun. 9, 2022

Members of this subphylum have an open circulatory system with a heart that pumps blood into the hemocoel.

From Textbooks • Jan. 1, 2015

The book lungs of arachnids are internal stacks of alternating air pockets and hemocoel tissue shaped like the pages of a book.

From Textbooks • Apr. 25, 2013

Crustaceans have an open circulatory system in which blood is pumped into the hemocoel by the dorsal heart.

From Textbooks • Apr. 25, 2013

As in other members of Arthropoda, chelicerates also utilize an open circulatory system, with a tube-like heart that pumps blood into the large hemocoel that bathes the internal organs.

From Textbooks • Apr. 25, 2013