title: Spermiation and sperm transport in passerine birds.
mesh_terms: D000818:Animals; D001315:Australia; D001717:Birds / Q000502:physiology*; D002171:Canaries; D004848:Epithelium / Q000032:analysis; D005260:Female; D007985:Leydig Cells / Q000032:analysis; D008055:Lipids / Q000032:analysis; D008297:Male; D009425:Nesting Behavior; D009864:Ontario; D009929:Organ Size; D012669:Seminal Vesicles / Q000033:anatomy & histology; D013091:Spermatogenesis; D013094:Spermatozoa / Q000032:analysis / Q000502:physiology*; D013737:Testis / Q000033:anatomy & histology
chemical_list: D008055:Lipids