|
Appendix 2
The Development of the Unborn Child's Body
|
Brain
|
Timing
|
Source |
The brain's divisions - the forebrain,
the midbrain, and the hindbrain - are demarcated.
|
Day 19 |
Larsen, p 275 |
| The forebrain is developing. |
Day 26 after fertilization |
Moore, p 95 |
| The three primary parts of the brain
are present. |
Day 30 after conception |
Rugh, p 41 |
| The cerebral cortex, the part of the
brain that controls the intellect and motor activity,
begins to differentiate. |
Day 33 after conception |
Rugh, p 44 |
| The cerebral vesicles are distinct. |
Day 34 after fertilization |
Moore, p 5 |
| By using Doppler or real-time ultrasonic
measurements, the brain can be visualized. |
8th week after fertilization |
Williams, p 30 |
|
