|
Face
|
Timing
|
Source |
The facial primordia begin to appear.
|
Early in 4th week after fertilization |
Moore, p 236 |
| The face is developing. |
Day 30 after fertilization |
Sadler, front pages |
| The face is forming. |
During the 2nd month |
Sadler, p 106 |
| The face is unmistakably human. |
2nd month after conception |
Rugh, p 54 |
| The face begins to look human. |
5th week after conception |
Rugh, p 45 |
| The face becomes fuller and starts
to look human. |
Day 48 after conception |
Rugh, p 51 |
| The rudiment of the face is created. |
Days 49-63 |
Larsen, p 230 |
| The face is more human-like. |
Days 50-56 after fertilization |
Sadler, p 110 |
| The face appears to be quite human. |
Day 56 after conception |
Rugh p 53 |
| Facial development mostly occurs. |
4th - 8th weeks after fertilization |
Moore, p 236 |
| By the end of the 8th week after conception,
the face clearly looks human. |
End of 8th week after fertilization |
Moore, p 239 |
| The face has all the human characteristics. |
12th week |
Sadler, p 116 |
| The appearance is human. The eyes
face anteriorly.The ears have almost reached their
final position on the sides of the head. |
16th week after fertilization |
Moore, p 113 |
| The parts of the face that form first
are the lower jaw and the lower lip. |
NAp |
Moore, p 239 |
