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
artifact space(s), basal plate of mesencephalon, cerebral aqueduct (mesocoele), exoccipital, head mesenchyme, oculomotor nucleus, osteogenic layer, rhombencoel (fourth ventricle), roof plate, subarachnoid space, sulcus limitans, surface ectoderm, tectum of mesencephalon, trochlear nucleus, vestibular area
0 μm
Boyd Embryo #H983   |   Location: 22-1-1

Keywords: artifact space(s), basal plate of mesencephalon, cerebral aqueduct (mesocoele), exoccipital, head mesenchyme, oculomotor nucleus, osteogenic layer, rhombencoel (fourth ventricle), roof plate, subarachnoid space, sulcus limitans, surface ectoderm, tectum of mesencephalon, trochlear nucleus, vestibular area

Source: The Virtual Human Embryo.