The umbilical cord and umbilical artery aplasia.
D000293:Adolescent; D000328:Adult; D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000209:etiology*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology*; D008297:Male; D011247:Pregnancy; D014469:Umbilical Arteries / Q000002:abnormalities*; D014470:Umbilical Cord