The fine structure of trematode sperm-tails.
D000818:Animals; D005407:Flagella / Q000166:cytology*; D066298:In Vitro Techniques; D008297:Male; D008854:Microscopy, Electron; D013094:Spermatozoa / Q000166:cytology*; D014200:Trematoda / Q000166:cytology*