Thymic hypoplasia (DiGeorge's syndrome).
D000015:Abnormalities, Multiple / Q000196:embryology; D000818:Animals; D004062:DiGeorge Syndrome / Q000150:complications / Q000175:diagnosis / Q000196:embryology; D005260:Female; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000150:complications / Q000175:diagnosis / Q000196:embryology; D007231:Infant, Newborn; D051379:Mice; D008819:Mice, Nude; D011379:Prognosis