Eleven pairs of ribs of trisomy 18.
Ho
N K
NK
D002869:Chromosome Aberrations / Q000175:diagnosis*; D025063:Chromosome Disorders; D002887:Chromosomes, Human, Pair 18; D006801:Humans; D007231:Infant, Newborn; D011859:Radiography; D012272:Ribs / Q000002:abnormalities* / Q000000981:diagnostic imaging; D014314:Trisomy