| ||
Note:If you look just above the heart, it seems like you can look right through the chest.Label Key:1. forebrain 2. 1st pharyngeal arch (maxillary process) 3. mouth (stomodeum) 4. 1st pharyngeal arch (mandibular process) 5. auricular groove 6. 2nd pharyngeal arch 7. 3rd pharyngeal arch 8. chest wall 9. liver 10. heart 11. cervical sinus | ||
All ages referenced to fertilization, not last menstrual period. |