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

Carnegie Stage Section
T-3 / T-4 interganglion region, aorta, auricle of left atrium, auricle of right atrium, azygos vein, digits (fingers), lower lobe of left lung, muscular part of interventricular septum, olecranon process of ulna, pericardial sac, pulmogenic coat, radius, rib 4, rib 5, rib 6, sinus venosus, subarachnoid space, sympathetic trunk, ulnar nerve, upper lobe of left lung
0 μm
Carnegie Embryo #4090   |   Location: 16-5

Keywords: T-3 / T-4 interganglion region, aorta, auricle of left atrium, auricle of right atrium, azygos vein, digits (fingers), lower lobe of left lung, muscular part of interventricular septum, olecranon process of ulna, pericardial sac, pulmogenic coat, radius, rib 4, rib 5, rib 6, sinus venosus, subarachnoid space, sympathetic trunk, ulnar nerve, upper lobe of left lung

Source: The Virtual Human Embryo.