Week FA (GA)
|
Carnegie Stage
|
Event
|
week 4 (GA 6)
|
11
|
nasal epiblastic thickening appears
|
|
12
|
nasal field is well outlined
|
week 5 (GA 7)
|
15
|
continuous cellulovascular strand seen between the nasal groove and the olfactory field
|
week 6 (GA 8)
|
16
|
vomeronasal groove appears at stage (O'Rahilly 1967).
|
|
17
|
olfactory nerve is organized into two plexuses, lateral and medial, the latter mingled with the terminal-vomeronasal complex.
|
week 7 (GA 9)
|
18
|
olfactory bulb begins to appear
|
|
19
|
individualization of the olfactory bulb and nuclei. Distinction between olfactory structures and terminal and vomeronasal ones begins to be clear
|
week 8 (GA 10)
|
21
|
structure of the olfactory bulb is evident.
|
|
23
|
olfactory strands are well individualized, and olfactory and terminal-vomeronasal fibers are easily distinguishable.
|
Data[1] Links: smell
|
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