In other words , sperm cell flagella and Fallopian tube cilia are homologous structures .
Sperm cells express proteins that result in the development of flagella ; these same proteins are expressed in the female in cells lining the fallopian tube , and cause the development of cilia .
Sperm cell flagella and Fallopian tube cilia are homologous structures .
Sperm cells express proteins that result in the development of flagella ; these same proteins are expressed in the female in cells lining the fallopian tube , and cause the development of cilia .