Observations of apparent C-type particles in baboon (Papio cynocephalus) placentas.
Ultrastructural investigations have revealed the presence of apparent endogenously derived C-type particles in the placental villi of each of 13 baboons studied. Both budding and mature forms were observed in the syncytiotrophoblast of these animals at various stages of pregnancy.
D000818:Animals; D005260:Female; D000882:Haplorhini; D007181:Inclusion Bodies, Viral; D008854:Microscopy, Electron; D010215:Papio; D010920:Placenta / Q000382:microbiology*; D011247:Pregnancy