M3E1T1A1N1E1P3H4R1O1S1
18 points
METANEPHROS is validvalid
[n METANEPHROI]
the third of the three segments of the embryonic kidney in vertebrates [n METANEPHROI]
[n METANEPHROI]
the third of the three segments of the embryonic kidney in vertebrates [n METANEPHROI]