|
Appendix 2
The Development of the Unborn Child's Body
|
Mouth
|
Timing
|
Source |
The mouth opens for the first time.
|
Day 28 after conception |
Rugh, p 42 |
| The primitive mouth is forming. |
Day 31 after fertilization |
Moore, p 5 |
| The oral and nasal cavities are confluent. |
Day 36 after fertilization |
Moore, p 5 |
| The oral cavity is developing. |
6th week |
Sadler, p 376 |
| The mouth is present. |
About day 56 after fertilization |
Moore, p 100 |
| Opening the mouth may be induced by
local stimuli. |
8th week after fertilization |
Williams, p 169 |
|