title: An acardiac human fetus.
mesh_terms: D009008:Abnormalities, Severe Teratoid; D000293:Adolescent; D001921:Brain / Q000196:embryology; D002319:Cardiovascular System / Q000196:embryology; D004200:Diseases in Twins; D005260:Female; D005318:Fetal Heart; D005865:Gestational Age; D006330:Heart Defects, Congenital / Q000196:embryology* / Q000235:genetics / Q000473:pathology; D006801:Humans; D007601:Jugular Veins / Q000196:embryology; D010210:Papillary Muscles / Q000473:pathology; D010298:Parity; D011247:Pregnancy; D013350:Subclavian Vein / Q000196:embryology; D014469:Umbilical Arteries / Q000196:embryology; D014471:Umbilical Veins / Q000196:embryology