Summary
Zones of cell death in the chick embryo heart were demonstrated by a study of cardiac morphogenesis on the light microscopical level.
Between the 2nd and 20th day of incubation 31 foci of cell degeneration were found.
The greatest number of dying cells occured on the 4th day of incubation and was located in the heart bulbus and bulbar cushions. The largest number of different degenerative foci were present on the 6th incubation day. Starting on the 10th day of incubation, both the number of degeneration zones and their population of dying cells decreased.
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This work was in part supported by grants no. B70-12X-579 from the Swedish Medical Research Council and no. 108-K69 from the Swedish Cancer Society.
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Pexieder, T. The tissue dynamics of heart morphogenesis. Z. Anat. Entwickl. Gesch. 138, 241–253 (1972). https://doi.org/10.1007/BF00520705
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DOI: https://doi.org/10.1007/BF00520705