title: Oogenesis, fertilization, and first cleavage of Dicyema aegira McConnaughey and Kritzler, 1952 (Mesozoa: Dicyemidae).
mesh_terms: D002455:Cell Division; D005260:Female; D005306:Fertilization; D007448:Invertebrates / Q000166:cytology*; D007621:Karyotyping; D008297:Male; D010063:Ovum; D013094:Spermatozoa