Template:Embryo Smell Timeline table: Difference between revisions
From Embryology
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|+ Embryonic Smell Development | |+ Embryonic Smell Development | ||
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! width=100px|Week | ! width=100px|Week (Gestational age) | ||
! width=100px|Carnegie Stage | ! width=100px|Carnegie Stage | ||
! Event | ! Event | ||
|- | |- | ||
| [[week 4]] {{GA}} 6 | | [[week 4]] ({{GA}} 6) | ||
| {{CS11}} | | {{CS11}} | ||
| nasal epiblastic thickening appears | | nasal epiblastic thickening appears | ||
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| nasal field is well outlined | | nasal field is well outlined | ||
|-bgcolor="F5FAFF" | |-bgcolor="F5FAFF" | ||
| [[week 5]] {{GA}} 7 | | [[week 5]] ({{GA}} 7) | ||
| {{CS15}} | | {{CS15}} | ||
| continuous cellulovascular strand seen between the nasal groove and the olfactory field | | continuous cellulovascular strand seen between the nasal groove and the olfactory field | ||
|- | |- | ||
| [[week 6]] {{GA}} 8 | | [[week 6]] ({{GA}} 8) | ||
| {{CS16}} | | {{CS16}} | ||
| vomeronasal groove appears at stage (O'Rahilly 1967). | | vomeronasal groove appears at stage (O'Rahilly 1967). | ||
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| olfactory nerve is organized into two plexuses, lateral and medial, the latter mingled with the terminal-vomeronasal complex. | | olfactory nerve is organized into two plexuses, lateral and medial, the latter mingled with the terminal-vomeronasal complex. | ||
|-bgcolor="F5FAFF" | |-bgcolor="F5FAFF" | ||
| [[week 7]] {{GA}} 9 | | [[week 7]] ({{GA}} 9) | ||
| {{CS18}} | | {{CS18}} | ||
| olfactory bulb begins to appear | | olfactory bulb begins to appear | ||
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| individualization of the olfactory bulb and nuclei. Distinction between olfactory structures and terminal and vomeronasal ones begins to be clear | | individualization of the olfactory bulb and nuclei. Distinction between olfactory structures and terminal and vomeronasal ones begins to be clear | ||
|- | |- | ||
| [[week 8]] {{GA}} 10 | | [[week 8]] ({{GA}} 10) | ||
| {{CS21}} | | {{CS21}} | ||
| structure of the olfactory bulb is evident. | | structure of the olfactory bulb is evident. | ||
Revision as of 12:07, 6 May 2018
| 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] | ||||||||||||||||||||
| ||||||||||||||||||||
- ↑ Bossy J. Development of olfactory and related structures in staged human embryos. (1980) Anat. Embryol., 161(2);225-36 PMID 7469043
