Third Trimester: Difference between revisions
From Embryology
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| [[ | | [[File:Galletti1770_birth.jpg|100px]] Clinical Week 40 | ||
[http://embryology.med.unsw.edu.au/Notes/heart.htm Heart ] pressure difference closes foramen ovale leaving a fossa ovalis | [http://embryology.med.unsw.edu.au/Notes/heart.htm Heart ] pressure difference closes foramen ovale leaving a fossa ovalis | ||
Revision as of 10:08, 12 April 2010
(Clinical Week 28-29)
| Event | ||
| Clinical third trimester | File:EFsizeactual.jpg Sense - Hearing 3rd Trimester - vibration acoustically of maternal abdominal wall induces startle respone in fetus. | |
| Respire Month 7 - respiratory bronchioles proliferate and end in alveolar ducts and sacs | ||
|
Genital male gonad (testes) descending | ||
| Neural brain cortical sulcation - primary sulci present PMID:11158907 | ||
| Neural brain cortical sulcation - insular, cingular, and occipital secondary sulci present PMID:11158907 | ||
| Birth |  Clinical Week 40
Heart pressure difference closes foramen ovale leaving a fossa ovalis Thyroid TSH levels increase, thyroxine (T3) and T4 levels increase to 24 h, then 5-7 days postnatal decline to normal levels Adrenal - zona glomerulosa, zona fasiculata present |
Next: Birth
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Cite this page: Hill, M.A. (2024, May 7) Embryology Third Trimester. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Third_Trimester
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
