Protonephridia (IMAGE)

Stowers Institute for Medical Research

Protonephridia

Caption

Planaria have a network of fine tubules (shown in white) running throughout their bodies. The tubules are connected to bulb-like structures called flame cells. These cells contain cilia, which move the fluids toward the excretory pores located throughout the epidermis.

Credit

Courtesy of the Sanchéz Alvarado lab, Stowers Institute for Medical Research

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