Category:Carnegie Embryo 5080
From Embryology
This Embryology category relates to the Carnegie Collection Embryo No. 5080. This embryo was classified as Stage 9 occurring during Week 3.
- 1 somite
- Studied and illustrated by Davis (1927, figs. 2–5 and 39–42)[1]
- Severn (1971, figs. 1–4).[2]
- First pair of somites not separate rostrally and contain no myocoeles (Arey, 1938).[3]
- Chorion, 14.5 x 1.5 mm. Embryonic disc, 1.5 mm.
- Reconstructed by Müller and O'Rahilly (1983, fig. 2).
Week: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Carnegie stage: | 1 2 3 4 | 5 6 | 7 8 9 | 10 11 12 13 | 14 15 | 16 17 | 18 19 | 20 21 22 23 |
Serial No. | Pairs of somites | Size (mm) | Grade | Fixative | Embedding Medium | Plane | Thinness (µm) | Stain | Year | Notes |
---|---|---|---|---|---|---|---|---|---|---|
5080 | 1 | E., 1.5 Ch., 14.5 |
Poor | Formol | P | Trans. | 10 | (Stain - Al. coch.) | 1926 | Studied by Davis (1927)[1] |
References
- ↑ 1.0 1.1 Davis CL. Development of the human heart from its earliest appearance to the stage found in embryos of twenty paired somites. (1927) Carnegie Instn. Wash. Publ 380. 19: 245-284.
- ↑ Severn CB. A morphological study of the development of the human liver. I. Development of the hepatic diverticulum. (1971) Amer. J Anat. 131: 133-158. PMID 5575887
- ↑ Arey LB. The history of the first somite in human embryos. (1938) Contrib. Embryol., Carnegie Inst. Wash. Publ. 496, 27: 233-269.
Carnegie Collection - Stage 9 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Serial No. | Pairs of somites | Size (mm) | Grade | Fixative | Embedding Medium | Plane | Thinness (µm) | Stain | Year | Notes |
1878 | 2-3 | Embryo, 1.38 Ch., 12x10.5x7.5 |
Good | Formalin | P | Coronal | 10 | (Stain - Haematoxylin Eosin) | 1917 | Described by Ingalls (1920).[1] |
5080 | 1 | Embryo, 1.5 Ch., 14.5 |
Poor | Formalin | P | Transverse | 10 | Al. coch. | 1926 | Studied by Davis (1927).[2] |
7650 | 2-3 | Embryo, 2-3 | Good | Alc & Bouin | C-P | Transverse | 6 | (Stain - Haematoxylin Eosin) | 1939 | Said to be female[3] |
Abbreviations
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References
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