title: Looking down the atrioventricular canal.
authors.forename: D Woodrow
authors.initials: DW
authors.lastname: Benson
authors.forename: Kristen Lipscomb
authors.initials: KL
authors.lastname: Sund
mesh_terms: D000015:Abnormalities, Multiple; D000818:Animals; D002891:Chromosomes, Human, Pair 21; D004195:Disease Models, Animal; D004314:Down Syndrome / Q000196:embryology* / Q000235:genetics; D004622:Embryo, Mammalian / Q000002:abnormalities; D004694:Endocardial Cushion Defects / Q000196:embryology* / Q000235:genetics; D005318:Fetal Heart / Q000002:abnormalities*; D005838:Genotype; D005865:Gestational Age; D006344:Heart Septal Defects, Atrial / Q000196:embryology* / Q000235:genetics; D006345:Heart Septal Defects, Ventricular / Q000196:embryology* / Q000235:genetics; D006801:Humans; D021621:Imaging, Three-Dimensional; D051379:Mice; D057507:Mice, 129 Strain; D008810:Mice, Inbred C57BL; D008853:Microscopy / Q000379:methods; D009024:Morphogenesis; D010641:Phenotype