Skip Navigation
Stage 1 / 1 day Stage 2 / 2-3 days Stage 3-1 / 4 days Stage 3-2 / 4-5 days Stage 4 / 6 days Stage 5a-1 / 7 days Stage 5a-2 / 8 days Stage 5b / 9 days Stage 5c / 12 days Stage 6 / 13-17 days Stage 7 / 16-19 days Stage 8 / 23 days Stage 9 / 25 days Stage 10 / 28 days Stage 11 / 29 days Stage 12 / 30 days Stage 13 / 32 days Stage 14 / 33 days Stage 15 / 36 days Stage 16 / 39 days Stage 17 / 41 days Stage 18 / 44 days Stage 19 / 45-47 days Stage 20 / 49 days Stage 21 / 49-52 days Stage 22 / 52-55 days Stage 23 / 56 days
Atlas of Human Embryos Chapter   Figure
 <   >  search results: left aortic arch 1 Search   Fig. 4-2b Fig. 4-3 Fig. 4-5-5

aortic sac, atrioventricular sulcus, bulbis cordis, bulboventricular sulcus, left aortic arch 1, left sinus venosus, pericardial cavity, pericardial sac, primitive left atrium, primitive right atrium, primitive ventricle of heart, prosencephalon (forebrain), right aortic arch 1, right horn of sinus venosus, septum transversum, umbilical vesicle cavity

Ventral aspect of the heart and pericardial sac of the 10-somite embryo. The aortic sac lies just dorsal to the pericardial cavity.


Keywords: aortic sac, atrioventricular sulcus, bulbis cordis, bulboventricular sulcus, left aortic arch 1, left sinus venosus, pericardial cavity, pericardial sac, primitive left atrium, primitive right atrium, primitive ventricle of heart, prosencephalon (forebrain), right aortic arch 1, right horn of sinus venosus, septum transversum, umbilical vesicle cavity

Source: Atlas of Human Embryos.