title: Flagellum formation and centriolar behavior during spermatogenesis of the sea urchin, Hemicentrotus pulcherrimus.
mesh_terms: D000818:Animals; D002502:Centrioles / Q000648:ultrastructure*; D005407:Flagella / Q000648:ultrastructure*; D008297:Male; D008854:Microscopy, Electron; D009940:Organoids / Q000648:ultrastructure*; D012617:Sea Urchins / Q000648:ultrastructure*; D013091:Spermatogenesis; D013094:Spermatozoa / Q000648:ultrastructure