A branched respiratory organ in the body cavity of sea cucumbers.
More example sentences
- Finally, the expelled tubules autotomize at their attachment point on the left respiratory tree and are left behind as the holothuroid crawls away.
- The respiratory trees are part of the organs that are expelled occasionally by the sea cucumber.
- One creature that takes advantage of the movement of water to the respiratory trees in the sea cucumber is the pearlfish, or cucumber fish (Carapidae).