1. a gelatinous substance between the inner and outer cell layers of cnidarians and ctenophores
Usage: biology

Examples

• The jellyfish’s bell is composed largely of mesoglea.
• Mesoglea gives cnidarians their characteristic jelly-like consistency.
• The mesoglea layer provides structural support to the organism.
• Scientists studied the composition of the mesoglea in various coral species.
• The mesoglea contains few cells and is mostly water and proteins.
• Hydras have a thin layer of mesoglea between their tissue layers.