Category:Third Trimester: Difference between revisions

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This {{Embryology}} category shows media and pages related to the human third trimester development.
This {{Embryology}} category shows content related to the third trimester of human development.




:'''Links:''' [[Second Trimester]] | [[Third Trimester]] | [[Fetal Development]] | [[Birth]]


:'''Links:''' [[Third Trimester]] | [[Fetal Development]] | [[Birth]]
{{Third Trimester Timeline}}
 


[[Category:Human]] [[Category:Fetal]]
[[Category:Human]] [[Category:Fetal]]

Revision as of 16:25, 12 May 2016

This Embryology category shows content related to the third trimester of human development.


Links: Second Trimester | Third Trimester | Fetal Development | Birth
Third Trimester Timeline
Links: human timeline | first trimester timeline | second trimester timeline | third trimester timeline
Week
Stage
 Event
Clinical third trimester Fetal size change.jpg hearing 3rd Trimester - vibration acoustically of maternal abdominal wall induces startle respone in fetus.
27
  
28
   respiratory Month 7 - respiratory bronchioles proliferate and end in alveolar ducts and sacs
29
  

tooth Week 29 - Permanent premolars (correspond to the milk molars) appear.

30
    

Genital male gonad (testes) descending

31
  
32
   nail fingernails reach digit tip
33
   neural brain cortical sulcation - primary sulci present[1]
34
   neural brain cortical sulcation - insular, cingular, and occipital secondary sulci present[1]
35
    
36
   Frazer006 bw600.jpg Nail Development toenails reach digit tip

Lens Development - lens growth and interocular distance plateaus after 36 weeks of gestation[2]

37
    
38
 Birth Newborn.jpg 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

Systems  
Systems: bone timeline | eye neural crest timeline | heart abnormality timeline | hearing EAM timeline | muscle timeline | ovary timeline | placental villi timeline | shoulder timeline | smell timeline | spleen timeline | ventricular timeline
  1. ↑ 1.0 1.1 Garel C, Chantrel E, Brisse H, Elmaleh M, Luton D, Oury JF, Sebag G & Hassan M. (2001). Fetal cerebral cortex: normal gestational landmarks identified using prenatal MR imaging. AJNR Am J Neuroradiol , 22, 184-9. PMID: 11158907
  2. ↑ Paquette LB, Jackson HA, Tavaré CJ, Miller DA & Panigrahy A. (2009). In utero eye development documented by fetal MR imaging. AJNR Am J Neuroradiol , 30, 1787-91. PMID: 19541779 DOI.

Subcategories

This category has the following 5 subcategories, out of 5 total.

C

F

M

Media in category 'Third Trimester'

The following 47 files are in this category, out of 47 total.

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