Week 11
Embryology - 19 Mar 2024 Expand to Translate |
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Key Events of Human Development during the eleventh week (week 11) following fertilization or Clinical week GA 13 (LMP).
Fetal Links: fetal | Week 10 | Week 12 | second trimester | third trimester | fetal neural | Fetal Blood Sampling | fetal growth restriction | birth | birth weight | preterm birth | Developmental Origins of Health and Disease | macrosomia | BGD Practical | Medicine Lecture | Science Lecture | Lecture Movie | Category:Human Fetus | Category:Fetal | |||
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Event | |
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Week 11 - CRL 68 mm, femur length 12 mm, biparietal diameter 20 mm |
Sensenig (1951) - Spinal Cord Meninges | |||||
---|---|---|---|---|---|
Age Group (gestation age) |
Embryo no. |
Crown Rump Length |
Thickness of sections (microns) |
Plane of section |
Illustration |
11 weeks | 4229 | 58.0 | 20 | T | |
1656 | 67 .0 | 200 | S | ||
4291 | 69 .0 | 100 | T | ||
| |||||
Reference: Sensenig EC. The early development of the meninges of the spinal cord in human embryos. (1951) Contrib. Embryol., Carnegie Inst. Wash. Publ. 611. |
Carnegie Embryos - Sensenig (1951) - Spinal Cord Meninges | |||||
---|---|---|---|---|---|
Age Group (gestation age) |
Embryo no. |
Crown Rump Length |
Thickness of sections (microns) |
Plane of section |
Illustration |
X (20-22 days) | 2795 | 2.0 (5) | 6 | Transverse | |
8244 | (6) | 8 | Transverse | ||
4216 | 2.17 (7) | 15 | Transverse | ||
XI (22-24 days) | 5074 | 3.0 (10) | 10 | Transverse | |
7611 | 2 .4 (16) | 8 | Transverse | ||
2053 | 3.1 (20) | 10 | Transverse | Fig. 1, pl. 1 | |
XII (24-26 days) | 6097 | 3 .4 (25) | 10 | Transverse | |
7724 | 3.5 (29) | 8 | Sagittal | ||
7999 | 3.2 (29) | 10 | Transverse | ||
XIII (26-28 days) | 7889 | 4.2 | 6 | Frontal | |
8066 | 5.3 | 8 | Transverse | ||
8119 | 5.3 | 8 | Transverse | Fig. 2, pl. 1 | |
XIV (28-30 days) | 5787 | 6.8 | 10 | Sagittal | |
7829 | 7.0 | 8 | Transverse | ||
8141 | 7.3 | 8 | Frontal | ||
XV (30-32 days) | 721 | 9.0 | 15 | Transverse | Figs. 3, 4, pl. 1 |
3385 | 8.3 | 20 | Transverse | ||
6504 | 7.5 | 6 | Sagittal | ||
6506 | 7.5 | 10 | Frontal | ||
XVI (32-34 days) | 792 | 8.0 | 20 | Transverse | |
887 | 9.0 | 40 | Transverse | ||
6507 | 9 .0 | 8 | Frontal | ||
6511 | 8.1 | 10 | Sagittal | ||
6512 | 7 .0 | 10 | Transverse | ||
6516 | 10.5 | 8 | Sagittal | ||
6517 | 10.5 | 8 | Transverse | ||
8112 | 10.9 | 8 | Frontal | ||
XVII (34-36 days) | 6519 | 10.8 | 8 | Sagittal | |
6521 | 13.2 | 8 | Transverse | Figs. 5, 6, pl. 1 | |
8101 | 13.0 | 10 | Transverse | ||
8118 | 12.6 | 10 | Frontal | Fig. 21, pi. 4 | |
XVIII (36-38 days) | 4430 | 14.0 | 15 | Transverse | |
6524 | 11 .7 | 10 | Transverse | ||
6525 | 13.8 | 8 | Sagittal | ||
6528 | 13 .4 | 8 | Frontal | ||
7707 | 14.5 | 10 | Transverse | ||
8172 | 16.5 | 20 | Transverse | Figs. 7, 8, pl. 2 | |
8235 | 14.0 | 10 | Sagittal | ||
XIX (38-40 days) | 1390 | 18.0 | 20 | Sagittal | |
4405 | 15.8 | 10 | Transverse | ||
5609 | 18.0 | 25 | Frontal | ||
8092 | 16.3 | 20 | Transverse | ||
XX (40-42 days) | 2393 | 23 .1 | 20 | Sagittal | |
3527 | 22 .0 | 25 | Sagittal | ||
4059 | 21.6 | 15 | Frontal | ||
6426 | 21.5 | 20 | Transverse | ||
7274 | 18.0 | 20 | Transverse | Figs. 9, 10, pl. 2 | |
7906 | 19.5 | 20 | Frontal | ||
XXI (42-44 days) | 7254 | 22.5 | 20 | Transverse | |
7392 | 22.7 | 20 | Transverse | Figs. 11, 12, pl. 2: fig. 22, pl. 4 | |
7864 | 24.0 | 20 | Frontal | ||
XXII (44-46 days) | 4339 | 24.5 | 15 | Transverse | |
6701 | 24 .0 | 20 | Frontal | ||
6832 | 25.8 | 20 | Frontal | Fig. 23, pl. 4 | |
XXIII (46-48 days) | 4570 | 30.7 | 15 | Transverse | Figs. 13, 14, pl. 3; fig. 24, pl. 4 |
6573 | 31.5 | 20 | Transverse | Figs. 15, 16, pl. 3 | |
7425 | 27.0 | 20 | Frontal | ||
Older embryos: | |||||
8 weeks | 3669 | 34.0 | 50 | Transverse | |
5762 | 34.0 | 25 | Sagittal | ||
5712 | 35 .0 | 25 | Frontal | ||
1915 | 35.5 | 50 | Transverse | ||
4021 | 38 .0 | 15 | Transverse | ||
9 weeks | 6658 | 40.0 | 40 | Sagittal | |
4985 | 41.0 | 20 | Transverse | ||
301 | 44 .0 | 20 | Transverse | ||
1686 | 46.0 | 100 | Sagittal | ||
4475 | 48.0 | 20 | Transverse | Figs. 19, 20, pl. 4 | |
10 weeks | 3990 | 54.0 | 20 | Transverse | |
481 | 57.0 | 200 | Frontal | ||
11 weeks | 4229 | 58.0 | 20 | Transverse | |
1656 | 67 .0 | 200 | Sagittal | ||
4291 | 69 .0 | 100 | Transverse | ||
12 weeks | 1455 | 78.5 | 50 | Sagittal | |
172 | 80.0 | 100 | Transverse | ||
72181 | 80.0 | 20 | Transverse | Figs. 17, 18, pl. 3 | |
| |||||
Reference: Sensenig EC. The early development of the meninges of the spinal cord in human embryos. (1951) Contrib. Embryol., Carnegie Inst. Wash. Publ. 611. |
References
Sensenig EC. The early development of the meninges of the spinal cord in human embryos. (1951) Contrib. Embryol., Carnegie Inst. Wash. Publ. 611.
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Cite this page: Hill, M.A. (2024, March 19) Embryology Week 11. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Week_11
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G