title: Theriogenology question of the month. Large ossified remnant of the yolk sac.
authors.affiliation: River Ridge Veterinary Hospital, Litchfield Park, AZ 85340, USA.
authors.forename: Julie M
authors.initials: JM
authors.lastname: Harbo
authors.forename: Roy D
authors.initials: RD
authors.lastname: Mausling
authors.forename: Donald H
authors.initials: DH
authors.lastname: Schlafer
authors.forename: Dirk K
authors.initials: DK
authors.lastname: Vanderwall
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D005321:Extraembryonic Membranes / Q000473:pathology; D005260:Female; D006736:Horses; D008297:Male; D009999:Ossification, Heterotopic / Q000175:diagnosis / Q000209:etiology / Q000473:pathology / Q000662:veterinary*; D011247:Pregnancy; D015017:Yolk Sac / Q000473:pathology*