celom

/ˈsiləm/
noun
  1. The main body cavity in many animals, located between the gut and the outer body wall, which contains the internal organs.
    • Scientists compare the celom of different species to understand evolutionary relationships.
    • The development of a celom allowed animals to have more complex organ systems.
    • In earthworms, the celom is filled with fluid that helps support the body.
Synonyms
What does "celom" mean? | whatsthatwordmean | whatsthatwordmean