Difference between revisions of "Template:Ovary timeline table"

From Embryology
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| intermediate mesoderm, pronephros primordium
 
| intermediate mesoderm, pronephros primordium
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| 28 days
 
| 28 days
 
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| uteric bud, metanephros, urogenital ridge
 
| uteric bud, metanephros, urogenital ridge
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| 42 days
 
| 42 days
 
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| paramesonephric duct, gonadal differentiation
 
| paramesonephric duct, gonadal differentiation
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| 56 days
 
| 56 days
 
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| fetal
 
| fetal
 
| primary follicles (ovary)
 
| primary follicles (ovary)
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| 6-7 weeks ({{GA}} 8-9 weeks)
 
| 6-7 weeks ({{GA}} 8-9 weeks)
 
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| fetal
 
| fetal
 
| formation of syncitial clusters of oogonia and onset of meiotic germ cell differentiation
 
| formation of syncitial clusters of oogonia and onset of meiotic germ cell differentiation
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| 15-18 weeks ({{GA}} 17–20 weeks)
 
| 15-18 weeks ({{GA}} 17–20 weeks)
 
| fetal
 
| fetal

Revision as of 12:39, 11 May 2018

Human Embryonic Ventricular Timeline
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) mitotic PGC proliferation only
12-14 weeks (GA 14-16 weeks) fetal formation of syncitial clusters of oogonia and onset of meiotic germ cell differentiation
15-18 weeks (GA 17–20 weeks) fetal breakdown of syncitial clusters and assembly of primordial follicles
Links: ovary | oocyte | Timeline