Crosswords Solver

Answer: nephridium
Answer	Crossword Clue
nephridium	in invertebrates and lower chordates, an organ serving the function of a kidney
nephridium	(in many invertebrate animals) A tubule open to the exterior that acts as an organ of excretion or osmoregulation. It typically has ciliated or flagellated cells and absorptive walls

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

Answer: nephridium