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Fig. 25a. Mouse E12.5 Heart Atrioventricular Junction
The images are from mouse embryos at E11.5 (left hand panel) and E12.5 (right hand panel). Unlike those shown in Figure 23, these are sectioned to show the short axes of the atrioventricular junctions. At E11.5, as seen in the left hand panel, the superior and inferior atrioventricular cushions lie edge-to-edge, but have yet to fuse to each other. By the later stage (right hand panel – shown in a more oblique cut), the cushions have fused, but the aorta remains supported by the developing right ventricle. At this stage, therefore, the cranial and ventral part of the interventricular communication remains patent. This permits the blood entering the left ventricle to continue to reach the aortic root.
- Figure Links: 1 Heart tube mouse E8 | 2 Ventricular loop mouse E8 | 3 Heart mouse E10.5 | 4 Atrial component mouse E10.5 | 5 Sinus horns mouse E8.5 | 6 Venous valve mouse E10.5 | 7a Left atrium CS14 | 7b Atrioventricular canal CS14 | 8a Atrioventricular canal mouse E10.5 | 8b Outflow tract mouse E10.5 | 9a Atrioventricular canal CS14 | 9b Right ventricle CS14 | 10 Ventricular septal defect | fig 11a | fig 11b | fig 12a | fig 12b | fig 13a | fig 13b | fig 14 | fig 15a | fig 15b | fig 16a | fig 16b | fig 17a | fig 17b | fig 18 | fig 19 | fig 20 | fig 21 | fig 22 | fig 23 | fig 24a | fig 24b | fig 25a | fig 25b |fig 26a | fig 26b | fig 27a | fig 27b | fig 28a | fig 28b | fig 29a | fig 29b | fig 30 | fig 31 | fig 32a | fig 32b | fig 33a | fig 33b | fig 34a | fig 34b | fig 35a | fig 35b | fig 36 | fig 37 | fig 38 | fig 39a | fig 39b | fig 40a | fig 40b | fig 41a | fig 41b | fig 42a | 42b | 43a Stenotic pulmonary valve | 43b Stenotic aortic valve | fig 44a | fig 44b | fig 45a | fig 45b | fig 46a | fig 46b | fig 47 | fig 48 | fig 49 | fig 50a | fig 50b | Figure Gallery
Cite this page: Hill, M.A. (2021, September 27) Embryology Anderson2016-fig25b.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Anderson2016-fig25b.jpg
- © Dr Mark Hill 2021, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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