[Electron microscopic studies on the fine structure of atypical and typical spermatozoa of Opalia crenimarginata (gastropoda, prosobranchia)].
D000818:Animals; D004583:Electrons; D049851:Gastropoda; D006652:Histological Techniques; D008297:Male; D008853:Microscopy; D008854:Microscopy, Electron; D008974:Mollusca / Q000033:anatomy & histology*; D013094:Spermatozoa / Q000033:anatomy & histology*
MICROSCOPY, ELECTRON; MOLLUSCA/anatomy and histology; SPERMATOZOA/anatomy and histology