Category:Carnegie Stage 13: Difference between revisions

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* [[:File:Keibel Mall 034a.jpg|His embryo (a)]], 4 mm. Described in detail by His (1880).<ref name="His1880">His, W. 1880-1885. [[Book - Anatomy Of Human Embryos|'''Anatomie menscblicher Embryonen''']]. Vogel, Leipzig.</ref>
* [[:File:Keibel Mall 034a.jpg|His embryo (a)]], 4 mm. Described in detail by His (1880).<ref name="His1880">His, W. 1880-1885. [[Book - Anatomy Of Human Embryos|'''Anatomie menscblicher Embryonen''']]. Vogel, Leipzig.</ref>
* Fischel embryo, 4.2 mm, Hochstetter Atlas. This embryo is sharply and spirally curved, and the length given is approximate. Its place in stage 13 is verified by the form of the limb buds.
* Fischel embryo, 4.2 mm, Hochstetter Atlas.<ref>Hochstetter, F. 1907. Atlas. Munich. Cited by Streeter (1945).</ref> This embryo is sharply and spirally curved, and the length given is approximate. Its place in stage 13 is verified by the form of the limb buds.
* Keibel embryo No. 112, 5.3 mm. Described in the Keibel and Elze Normentafeln (1908). The lens is a flat, slightly thickened disc. The otic vesicle is detached, but a remnant of the stalk is still present; there is some indication of the endolymphatic appendage. There are 36 pairs of somites.
* Keibel embryo No. 112, 5.3 mm. Described in the Keibel and Elze Normentafeln (1908).<ref name="KeibelElze1908">Keibel, F., and Elze, C. 1908. Normentafeln zur Entwicklungsgeschichte der Wirbeltiere.(Normal Plates for Evolution of Vertebrates) [[Book - Normal Plates of the Development of Vertebrates 8|'''8. Heft ''Normentafeln zur Entwicklungsgeschichte des Menschen''''']]  (Vol. 8. Normal Plates of the Development of the Human Embryo) Fisher, Jena., Germany.</ref> The lens is a flat, slightly thickened disc. The otic vesicle is detached, but a remnant of the stalk is still present; there is some indication of the endolymphatic appendage. There are 36 pairs of somites.
* R. Meyer, 5-mm embryo, No. 318, Anatomisches Institut, Zurich. This embryo is a more advanced example of stage 13. The epithelium of the lens disc begins to indent. There are 38 pairs of somites. The embryo is referred to in the Keibel and Elze Normentafeln.
* R. Meyer, 5-mm embryo, No. 318, Anatomisches Institut, Zurich. This embryo is a more advanced example of stage 13. The epithelium of the lens disc begins to indent. There are 38 pairs of somites. The embryo is referred to in the Keibel and Elze Normentafeln.<ref name="KeibelElze1908"/>
* C. Rabl, 4-mm embryo. The specimen closely resembles the Fol 5.6-mm embryo and the Hertwig G 31 embryo. It was used by Rabl in his study of the face (1902).
* C. Rabl, 4-mm embryo. The specimen closely resembles the Fol 5.6-mm embryo and the Hertwig G 31 embryo. It was used by Rabl in his study of the face (1902).
* Broman, embryo Lf., 3 mm, Anatomisches Institut, Lund. This embryo was described systematically by Broman (1896). He made revisions for the Keibel and Elze Normentafeln. Broman reports that it has 30 pairs of somites. Regarding its relatively small size, it is to be noted that it was fixed in absolute alcohol and then preserved for two years in weak spirits. This embryo is a less advanced example of stage 13.
* Broman, embryo Lf., 3 mm, Anatomisches Institut, Lund. This embryo was described systematically by Broman (1896). He made revisions for the Keibel and Elze Normentafeln.<ref name="KeibelElze1908"/> Broman reports that it has 30 pairs of somites. Regarding its relatively small size, it is to be noted that it was fixed in absolute alcohol and then preserved for two years in weak spirits. This embryo is a less advanced example of stage 13.
* Carnegie No. 148, 4.3 mm. A monographic description of this embryo was published by Gage (1905).
* Carnegie No. 148, 4.3 mm. A monographic description of this embryo was published by Gage (1905).
* Fol, 5.6-mm embryo. This well-preserved embryo is a more advanced example. It was carefully described and illustrated by Fol (1884).
* Fol, 5.6-mm embryo. This well-preserved embryo is a more advanced example. It was carefully described and illustrated by Fol (1884).
* Hertwig, 4.9-mm embryo, G31 Anatomisches-biologisches Institut, Berlin. This well-preserved embryo, a typical representative of stage 13, was first described in a study of the development of the pancreas by Jankelowitz (1895). An excellent systematic study followed later (Ingalis, 1907, 1908). The embryo was considered also in the Keibel and Elze Normentafeln. There are 35 pairs of somites.
* Hertwig, 4.9-mm embryo, G31 Anatomisches-biologisches Institut, Berlin. This well-preserved embryo, a typical representative of stage 13, was first described in a study of the development of the pancreas by Jankelowitz (1895). An excellent systematic study followed later (Ingalis, 1907, 1908). The embryo was considered also in the Keibel and Elze Normentafeln.<ref name="KeibelElze1908"/> There are 35 pairs of somites.
* 4-mm and 5-mm twin embryos, University of Basel. A graphic reconstruction of the normal specimen was Issued by Müller and O'Rahilly (1980a), and reconstructions, with particular reference to the nervous system, were published by Müller and O'Rahilly (1984), who described the cerebral dysraphia (future anencephaly) present in one twin.
* 4-mm and 5-mm twin embryos, University of Basel. A graphic reconstruction of the normal specimen was Issued by Müller and O'Rahilly (1980a), and reconstructions, with particular reference to the nervous system, were published by Müller and O'Rahilly (1984), who described the cerebral dysraphia (future anencephaly) present in one twin.
* Free Hospital for Women, Brookline, Massachusetts, No. 5, 5 mm. The histochemistry of this embryo was studied by McKay et al. (1955).
* Free Hospital for Women, Brookline, Massachusetts, No. 5, 5 mm. The histochemistry of this embryo was studied by McKay et al. (1955).

Revision as of 21:16, 20 July 2015

Carnegie Stage 13

This Embryology category shows pages and media related to embryonic development in week 4 to week 5, 28 - 32 days, GA week 6-7. The embryos have a crown rump length (CRL) of 4 - 6 mm and somite number 30 pairs.


There is also a specific Carnegie stage 13 resource page.

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
Carnegie Stages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | About Stages | Timeline


Embryo Examples

  • His embryo (a), 4 mm. Described in detail by His (1880).[1]
  • Fischel embryo, 4.2 mm, Hochstetter Atlas.[2] This embryo is sharply and spirally curved, and the length given is approximate. Its place in stage 13 is verified by the form of the limb buds.
  • Keibel embryo No. 112, 5.3 mm. Described in the Keibel and Elze Normentafeln (1908).[3] The lens is a flat, slightly thickened disc. The otic vesicle is detached, but a remnant of the stalk is still present; there is some indication of the endolymphatic appendage. There are 36 pairs of somites.
  • R. Meyer, 5-mm embryo, No. 318, Anatomisches Institut, Zurich. This embryo is a more advanced example of stage 13. The epithelium of the lens disc begins to indent. There are 38 pairs of somites. The embryo is referred to in the Keibel and Elze Normentafeln.[3]
  • C. Rabl, 4-mm embryo. The specimen closely resembles the Fol 5.6-mm embryo and the Hertwig G 31 embryo. It was used by Rabl in his study of the face (1902).
  • Broman, embryo Lf., 3 mm, Anatomisches Institut, Lund. This embryo was described systematically by Broman (1896). He made revisions for the Keibel and Elze Normentafeln.[3] Broman reports that it has 30 pairs of somites. Regarding its relatively small size, it is to be noted that it was fixed in absolute alcohol and then preserved for two years in weak spirits. This embryo is a less advanced example of stage 13.
  • Carnegie No. 148, 4.3 mm. A monographic description of this embryo was published by Gage (1905).
  • Fol, 5.6-mm embryo. This well-preserved embryo is a more advanced example. It was carefully described and illustrated by Fol (1884).
  • Hertwig, 4.9-mm embryo, G31 Anatomisches-biologisches Institut, Berlin. This well-preserved embryo, a typical representative of stage 13, was first described in a study of the development of the pancreas by Jankelowitz (1895). An excellent systematic study followed later (Ingalis, 1907, 1908). The embryo was considered also in the Keibel and Elze Normentafeln.[3] There are 35 pairs of somites.
  • 4-mm and 5-mm twin embryos, University of Basel. A graphic reconstruction of the normal specimen was Issued by Müller and O'Rahilly (1980a), and reconstructions, with particular reference to the nervous system, were published by Müller and O'Rahilly (1984), who described the cerebral dysraphia (future anencephaly) present in one twin.
  • Free Hospital for Women, Brookline, Massachusetts, No. 5, 5 mm. The histochemistry of this embryo was studied by McKay et al. (1955).

References

  1. ↑ His, W. 1880-1885. Anatomie menscblicher Embryonen. Vogel, Leipzig.
  2. ↑ Hochstetter, F. 1907. Atlas. Munich. Cited by Streeter (1945).
  3. ↑ 3.0 3.1 3.2 3.3 Keibel, F., and Elze, C. 1908. Normentafeln zur Entwicklungsgeschichte der Wirbeltiere.(Normal Plates for Evolution of Vertebrates) 8. Heft Normentafeln zur Entwicklungsgeschichte des Menschen (Vol. 8. Normal Plates of the Development of the Human Embryo) Fisher, Jena., Germany.

Pages in category 'Carnegie Stage 13'

The following 81 pages are in this category, out of 81 total.

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Media in category 'Carnegie Stage 13'

The following 189 files are in this category, out of 189 total.

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