Hands
|
Timing
|
Source |
Hand plates are present.
|
Day 33 after fertilization |
Moore, p 5 |
Hand plates are developing. |
Day 33 after fertilization |
Larsen, p xii |
Hand plates are developing. |
Day 34 after fertilization |
Sadler, front pages |
Hand plates are formed and digital
rays are present. |
Days 33-36 after fertilization |
Moore, p 91 |
Digital rays are present in the hand
plates. |
Days 36-42 of development |
Sadler, p 110 |
Digital rays are clearly visible in
the hand plates. |
Days 41-43 after fertilization |
Moore, p 91 |
Notches are present between the digital
rays in the hand. |
Days 44-46 after fertilization |
Moore, p 91 |
Digital rays are separating. |
Days 43-49 of development |
Sadler, p 110 |
The hand plates are slightly flexed
at the wrists. |
Day 52 of development |
Larsen, p 209 |
Digit separation in the hand is complete. |
Day 56 |
Sadler, p 174 |
The hands are well-formed and distinctly
human. |
8th week after conception |
Rugh, p 53 |