Template:Embryo Smell Timeline table

From Embryology
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Embryonic Smell Development
Week (Gestational age) 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]
Week: 1 2 3 4 5 6 7 8
Carnegie stage: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23