Template:GardnerO'Rahilly1968 table 2
From Embryology
Table 2. Comparative sequential development of human knee joint and that of chick embryo | ||
---|---|---|
(The data relating to Gallus domesticus are from O’Rahilly & Gardiner, 1956.) | ||
Feature | Homo stage | Gallus stage |
Lower limb bud | 13 | 17 |
Ectodermal thickening and ridge | 13-18 | 18-30 |
Skeletal chondrification | 18 | 27 |
Femorofibular proximity | 18-19 | 27 |
Quadriceps insertion | 18-19 | 27 |
Tibialis anterior in knee | — | 27 |
Ambiens in knee | — | 29 |
Homogeneous interzone | 19-20 | 26 |
Patellar condensation | 19-20 | 29-30 |
Intracapsular ligaments, including cruciate and menisci | 19-20 | 30 |
Embryonic movements | c. 20 | c. early 30’s |
Three-layered interzone | 21 | ? |
Chondrification in patella | 21-22 | 36 |
Diaphysial bone collars | 22-23 | 28-29 |
Cavitation | 23 | 34 |