Week 9: Difference between revisions
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:[[:Category:Week 9|Category:Week 9]] | | :[[:Category:Week 9|Category:Week 9]] | {{Fetal}} | ||
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| <center>57</center> | | <center>57</center> | ||
| Fetal Period | | [[Fetal_Development|Fetal Period]] | ||
| [[File:Size_comparison_embryo-fetus_actual.jpg]] | | [[File:Size_comparison_embryo-fetus_actual.jpg]] | ||
{{Hearing}} and {{Balance}} - Week 9 mesenchyme surrounding membranous labrynth (otic capsule) chondrifies | |||
{{Smell}} - Embryonic/Fetal transition localized incomplete lamination of the olfactory bulb{{#pmid:15604533|PMID15604533}} | |||
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| Week 9 - CRL 43 mm, femur length 6 mm | | Week 9 - CRL 43 mm, femur length 6 mm | ||
9 weeks CRL 50 mm | 9 weeks CRL 50 mm {{Genital}} - genitalia in both sexes look identical{{#pmid:17875485|PMID17875485}} | ||
{{Uterus}} - paramesonephric ducts come into apposition with the urorectal septum and begin to fuse | |||
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Latest revision as of 10:05, 26 July 2019
Embryology - 16 Jun 2024 Expand to Translate |
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Key Events of Human Development during the ninth week (week 9) following fertilization or clinical gestational age GA week (Clinical Week 11). This is the beginning of the early fetal period and will not be continued to be described in a week by week format.
Fetus week 9
|
Embryo Week: Week 1 | Week 2 | Week 3 | Week 4 | Week 5 | Week 6 | Week 7 | Week 8 | Week 9
Timeline
Event | ||
Fetal Period |
hearing and balance - Week 9 mesenchyme surrounding membranous labrynth (otic capsule) chondrifies smell - Embryonic/Fetal transition localized incomplete lamination of the olfactory bulb[1] | |
Week 9 - CRL 43 mm, femur length 6 mm
9 weeks CRL 50 mm genital - genitalia in both sexes look identical[2] uterus - paramesonephric ducts come into apposition with the urorectal septum and begin to fuse |
References
- ↑ Müller F & O'Rahilly R. (2004). Olfactory structures in staged human embryos. Cells Tissues Organs (Print) , 178, 93-116. PMID: 15604533 DOI.
- ↑ Wünsch L & Schober JM. (2007). Imaging and examination strategies of normal male and female sex development and anatomy. Best Pract. Res. Clin. Endocrinol. Metab. , 21, 367-79. PMID: 17875485 DOI.
Embryo Week: Week 1 | Week 2 | Week 3 | Week 4 | Week 5 | Week 6 | Week 7 | Week 8 | Week 9
- Carnegie Stages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | About Stages | Timeline
Glossary Links
- Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers | Symbols | Term Link
Cite this page: Hill, M.A. (2024, June 16) Embryology Week 9. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Week_9
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G