Pluteus larva of a sea urchin, Hemicentrotus pulcherrimus (IMAGE)

University of Tsukuba

Pluteus larva of a sea urchin, Hemicentrotus pulcherrimus

Caption

The sea urchin larva possesses a well-defined tripartite digestive system, consisting of the esophagus, stomach, and intestine, with each compartment separated by distinct sphincters.

Credit

Shunsuke Yaguchi

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