Template:Congdon1922 collapse table1
From Embryology
| Carnegie Embryos - Cogdon (1922) - Arch Arteries | |||||
|---|---|---|---|---|---|
| Embryo No. | Length in mm | Arches present | Characteristic features | ||
| 18781878 | 1.3 | 1 | slightly plexiform. Presomite stage | ||
| 12011201 | 2 | 1 | |||
| 391391 | 2 | 1 | 7 somites | ||
| 470470 | 4 | 1 | neuropore open; 14 to 16 somites | ||
| 20532053 | 3 | 1, 2 beginning | Anterior neuropore closed; 20 somites; transverse anastomoses between primitive aortae | ||
| 1201b | 3 | 1, 2 | |||
| Template:CE863836 | 4 | 2, 3 | Earlier mandibular artery ; paired longitudinal neural arteries; no ventral tract on cord | ||
| Just before establishment of fourth arch; estimated average length 4 mm; 31st day of development | |||||
| 826 | 5 | 3, 4 | Earlier mandibular and hyoid arteries | ||
| 1075 | 6 | 3, 4 | Subclavian | ||
| 588 | 4 | 3, 4 | Earlier mandibular and hyoid arteries | ||
| 873 | 6 | 3, 4 | Ventral tract on cord | ||
| 988 | 6 | 3, 4 | |||
| 1380 | 4 | 3, 4; pulmonary arches almost complete | |||
| 2841 | 4 | 3, 4; one so-called fifth arch; pulmonary almost complete | Early formation of basilar artery | ||
| Just before completion of pulmonary arch; estimated average length 6 mm; 36th day of development | |||||
| 810 | 5 | 3, 4, and pulmonary arches | Late stage in formation of basilar artery; Splitting of aortic sac distinct. Unpaired aorta complete | ||
| 1354 | 6 | 3, 4, and pulmonary arches | |||
| 617 | 7 | 3, 4, two so-called fifth arches, and pulmonary arches | Subclavian artery surrounded by brachial plexus. Splitting of sac well marked | ||
| 792 | 8 | 3, 4, and pulmonary arches | Pulmonary and 4th arches widely separated below | ||
| 1121 | 11 | 3, 4, and pulmonary arches | Right pulmonary artery small; basilar rounded; 4th and pulmonary still further apart | ||
| 721 | 9 | 3, 4, and pulmonary arches | Cervical segmental arteries becoming interrupted | ||
| 163 | 9 | 3, 4, and pulmonary arches | Anastomoses of cervical segmental arteries to form the vertebral artery are nearly complete | ||
| Time of interruption of pulmonary arch and branchial period; estimated average length 12 mm; 45th day of development | |||||
| 1771 | 13 | 3, 4, left pulmonary and remnant of right pulmonary arch | |||
| 544 | 10 | ||||
| 940 | 14 | ||||
| 1909 | 15 | ||||
| 492 | 16 | ||||
| 74 | 16 | ||||
| End of period of rapid descent of heart and arteries; estimated average length 18 mm; 50th day of development | |||||
| 1390 | |||||
| 460 | |||||
| 2937 | |||||
| 886 | |||||
| Estimates based on Keibel F. and Mall FP. Manual of Human Embryology II. (1912) J. B. Lippincott Company, Philadelphia. curve of length and age. | |||||
| Reference: Congdon ED. Transformation of the aortic-arch system during the development of the human embryo. (1922) Contrib. Embryol., Carnegie Inst. Wash. Publ 277, 14:47-110. | |||||
