Thus, about 1875, the distinction of Echinoderms from such radiate animals as jelly-fish and corals (see Coelentera), by their possession of a body-cavity (coelom) distinct from the gut, was fully realized; while their severance from the worms (especially Gephyrea), with which some Echinoderms wer
radiate הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד