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-1 intercostal nerve, T-1 spinal ganglion, T-1 spinal nerve, brachial artery, brachial plexus, caudal edge of thymus gland, cephalic edge of left pleural cavity, esophagus muscularis, hemisternum, left digit 1 (thumb), lunate, median nerve, metacarpal 2, metacarpal 4, notochord, pericardial cavity, radius, rib 1, rib 2, rib 3, rib 4, rib 5, scapula, subarachnoid space, superior vena cava, trachea
0 μm
Carnegie Embryo #4090   |   Location: 14-9

Keywords: T-1 intercostal nerve, T-1 spinal ganglion, T-1 spinal nerve, brachial artery, brachial plexus, caudal edge of thymus gland, cephalic edge of left pleural cavity, esophagus muscularis, hemisternum, left digit 1 (thumb), lunate, median nerve, metacarpal 2, metacarpal 4, notochord, pericardial cavity, radius, rib 1, rib 2, rib 3, rib 4, rib 5, scapula, subarachnoid space, superior vena cava, trachea

Source: The Virtual Human Embryo.