A ring chromosome (No. 18) in a cyclops.
D009008:Abnormalities, Severe Teratoid / Q000235:genetics* / Q000473:pathology; D000328:Adult; D001344:Autopsy; D002869:Chromosome Aberrations / Q000175:diagnosis; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18; D004677:Encephalocele; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007621:Karyotyping; D007962:Leukocytes; D011247:Pregnancy; D013194:Staining and Labeling