Membranous structures within nuclei of spermatocytes in the adult male rat.
D000818:Animals; D002466:Cell Nucleolus / Q000648:ultrastructure; D002467:Cell Nucleus / Q000648:ultrastructure; D002479:Inclusion Bodies / Q000648:ultrastructure; D008297:Male; D008938:Mitosis; D009685:Nuclear Envelope / Q000648:ultrastructure*; D051381:Rats; D013090:Spermatocytes / Q000648:ultrastructure*; D013091:Spermatogenesis; D013094:Spermatozoa / Q000648:ultrastructure*