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Ultrastructure of the Protonephridia in the Dorvilleid Polychaete Apodotrocha progenerans (Annelida)

1985; Wiley; Volume: 14; Issue: 4 Linguagem: Inglês

10.1111/j.1463-6409.1985.tb00197.x

1463-6409

Wilfried Westheide,

Crustacean biology and ecology

The achaetous dorvilleid polychaete Apodotrocha progenerans Westheide & Riser, 1983, possesses several pairs of segmentally arranged protonephridia. They consist of a blindly ending terminal cell and three tubule (emission) cells. The terminal cell is a flame bulb with unusual filtration area consisting of interdigitated pedicel‐like projections. Each cell has its own tuft of flagella; and the emission channel is intracellular. The tube‐shaped ‘seamless’ cells are slotted into each other like water‐pipes.