File:Boyd1950 fig09.jpg
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Fig. 9. Section fetus 145 mm to show aberrant portion of thyroid tissue lying between thyroid and cricoid cartilages
This nodule might have become an intratracheal thyroid.
(X 450, 145 mm. foetus.)
Online Editor - Fetus 145mm is about 16 weeks (GA 18 weeks).
Fetal Development - Length - Weight | |||
---|---|---|---|
Gestational age | Fertilization age | Length | Mass |
(LMP) (GA weeks) | (weeks) | (cm) | (g) |
8 (embryonic) | 6 | 1.6 (crown to rump) | 1 |
9 | 7 | 2.3 | 2 |
10 | 8 | 3.1 | 4 |
11 (fetal) | 9 | 4.1 | 7 |
12 | 10 | 5.4 | 14 |
13 (second trimester) | 11 | 7.4 | 23 |
14 | 12 | 8.7 | 43 |
15 | 13 | 10.1 | 70 |
16 | 14 | 11.6 | 100 |
17 | 15 | 13 | 140 |
18 | 16 | 14.2 | 190 |
19 | 17 | 15.3 | 240 |
20 | 18 | 16.4 25.6 (crown to heel) |
300 |
21 | 19 | 26.7 | 360 |
22 | 20 | 27.8 | 430 |
23 | 21 | 28.9 | 501 |
24 | 22 | 30 | 600 |
25 | 23 | 34.6 | 660 |
26 | 24 | 35.6 | 760 |
27 | 25 | 36.6 | 875 |
28 (third trimester) | 26 | 37.6 | 1005 |
29 | 27 | 38.6 | 1153 |
30 | 28 | 39.9 | 1319 |
31 | 29 | 41.1 | 1502 |
32 | 30 | 42.4 | 1702 |
33 | 31 | 43.7 | 1918 |
34 | 32 | 45 | 2146 |
35 | 33 | 46.2 | 2383 |
36 | 34 | 47.4 | 2622 |
37 | 35 | 48.6 | 2859 |
38 | 36 | 49.8 | 3083 |
39 | 37 | 50.7 | 3288 |
40 | 38 | 51.2 | 3462 |
41 | 39 | 51.7 | 3597 |
42 | 40 | 51.5 | 3685 |
References [1][2][3] |
Historic Disclaimer - information about historic embryology pages |
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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding. (More? Embryology History | Historic Embryology Papers) |
- Links: fig 1 | fig 2 | fig 3a | fig 3b | fig 4 | fig 5 | fig 6 | fig 7 | fig 8 | fig 9 | fig 10 | 1950 Boyd | Thyroid | Parathyroid | Thymus | Historic Papers
Reference
Boyd JD. Development of the thyroid and parathyroid glands and the thymus. (1950) Ann R Coll Surg Engl. 7(6): 455-71. PMID 14790564
Cite this page: Hill, M.A. (2024, April 20) Embryology Boyd1950 fig09.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Boyd1950_fig09.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
- ↑ Cussen L, Scurry J, Mitropoulos G, McTigue C & Gross J. (1990). Mean organ weights of an Australian population of fetuses and infants. J Paediatr Child Health , 26, 101-3. PMID: 2361065
- ↑ Hansen K, Sung CJ, Huang C, Pinar H, Singer DB & Oyer CE. (2003). Reference values for second trimester fetal and neonatal organ weights and measurements. Pediatr. Dev. Pathol. , 6, 160-7. PMID: 12548377 DOI.
- ↑ Archie JG, Collins JS & Lebel RR. (2006). Quantitative standards for fetal and neonatal autopsy. Am. J. Clin. Pathol. , 126, 256-65. PMID: 16891202 DOI.
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