Template:Ovary timeline table: Difference between revisions
From Embryology
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| 6-7 weeks ({{GA}} 8-9 weeks) | | 6-7 weeks ({{GA}} 8-9 weeks) | ||
| | | | ||
| | | {{primordial germ cell}} {{mitosis}} proliferation | ||
|- | |- | ||
| 12-14 weeks ({{GA}} 14-16 weeks) | | 12-14 weeks ({{GA}} 14-16 weeks) | ||
| fetal | | fetal | ||
| formation of syncitial clusters of oogonia | | {{primordial germ cell}} {{meiosis}} germ cell differentiation, formation of syncitial clusters of oogonia | ||
|-bgcolor="F5FAFF" | |-bgcolor="F5FAFF" | ||
| 15-18 weeks ({{GA}} 17–20 weeks) | | 15-18 weeks ({{GA}} 17–20 weeks) | ||
Revision as of 12:41, 11 May 2018
| Time | Carnegie Stage | Event |
|---|---|---|
| 24 days | intermediate mesoderm, pronephros primordium | |
| 28 days | mesonephros and mesonephric duct | |
| 35 days | uteric bud, metanephros, urogenital ridge | |
| 42 days | cloacal divison, gonadal primordium (indifferent) | |
| 49 days | paramesonephric duct, gonadal differentiation | |
| 56 days | paramesonephric duct fusion (female) | |
| 100 days | fetal | primary follicles (ovary) |
| 6-7 weeks (GA 8-9 weeks) | primordial germ cell mitosis proliferation | |
| 12-14 weeks (GA 14-16 weeks) | fetal | primordial germ cell meiosis germ cell differentiation, formation of syncitial clusters of oogonia |
| 15-18 weeks (GA 17–20 weeks) | fetal | breakdown of syncitial clusters and assembly of primordial follicles |
| Links: ovary | oocyte | Timeline | ||
