## Abstract The postimplantation development of human and animal triploid embryos is well documented, but there is little informative data on their preimplantation development. An analysis of cell number at appropriate times during this period and thus their cleavage rate would give an indication o
Characteristics of stages of the preimplantation period of laboratory mouse embryos
โ Scribed by L. I. Khozhai
- Publisher
- Springer US
- Year
- 1980
- Tongue
- English
- Weight
- 249 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0007-4888
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## Abstract Despite the fact that spontaneous tetraploidy is a rare phenomenon in mice, such embryos may be produced experimentally by a variety of means, though only a very limited degree of postimplantation development has been achieved. Despite this apparent limitation, much data on the rate of
Early (non-compacted) and late (compacted) 8-cell embryos were observed after few hours of culture in vitro. The former embryos underwent compaction and the latter embryos were found decompacted. Cell counting suggested that decompaction preceded fourth cleavage division of any blastomere and laste