Summary
A microsurgical technique for the separation of germ layers in two- and three-layered rat embryonic shields is described.
Similar content being viewed by others
Abbreviations
- A:
-
amnion
- Ac:
-
amniotic cavity
- All:
-
allantois
- Ec:
-
definitive ectoderm
- EEP:
-
extra-embryonic part
- En:
-
definitive endoderm
- EPc:
-
ectoplacental cone
- ESh:
-
einbryonic shield
- HF:
-
head fold
- HN:
-
Hensen's node
- Me:
-
definitive mesoderm
- NG:
-
neural groove
- pEc:
-
primitive ectoderm
- pEn:
-
primitive endoderm
- PS:
-
primitive streak
- PS/2:
-
the cut edge obtained by median cutting through the primitive streak
- Rm:
-
Reichert's membrane
- I:
-
operating needle
- II:
-
supporting (fixing) needle
References
Levak-Švajger, B., Švajger, A.: Differentiation of endodermal tissues in homografts of primitive ectoderm from two-layered rat embryonic shields. Experientia27, 683–684 (1971)
Levak-Švajger, B., Švajger, A.: Investigation on the origin of the definitive endoderm in the rat embryo. J. Embryol. exp. Morph.32, 445–459 (1974)
Levak-Švajger, B., Švajger, A., Škreb, N.: Separation of germ layers in presomite rat embryos. Experientia25, 1311–1312 (1969)
Moscona, A., Trowell, O. A., Willmer, E. N.: Methods. In Cells and Tissues in Culture (ed. E. N. Willmer), vol. I, London-New York: Academic Press (1965)
New, D. A. T.: The Culture of Vertebrate Embryos. London: Logos Press (1966)
Nicholas, J. S.: Experimental methods and rat embryos. In: The Rat in Laboratory Investigation (ed. E. J. Parris and J. A. Griffith). New York: Hafner (1962)
Szabó, G.: A modification of the technique of “skin splitting” with trypsin. J. Path. Bact.70, 545 (1955)
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Švajger, A., Levak-Švajger, B. Technique of separation of germ layers in rat embryonic shields. Wilhelm Roux' Archiv 178, 303–308 (1975). https://doi.org/10.1007/BF00848065
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00848065