... cleavage cycle tends to contribute to mural trophectoderm. The progeny of its sister tend to donate cells to part of the ICM lining the blastocyst cavity and its associated trophectoderm. Chimaeras made entirely of these equatorially or obliquely derived blastomeres show developmental abnormalities in both...

...András Nagy; Miklós Sass; Merja Markkula ABSTRACT Even though pure parthenogenetic mouse embryos die shortly after implantation, their cells are capable of participating in normal development of chimaeras when aggregated with fertilized embryos. Here we present data on parthenogenetic contribution...

...M. Azim Surani; Sheila C. Barton; Sarah K. Howlett; Michael L. Norris We have examined the role of germline-specific chromosomal determinants of development in the mouse. Studies were carried out using aggregation chimaeras between androgenetic ↔ fertilized embryos and compared with similar...

... to those seen in human congenital cataract and thus serves as a model system for medical research. In this present investigation, we have demonstrated that the abnormalities of the congenital cataractous lens can be rescued by forming chimaeras between DBA/2 (a noncataractous strain of mouse) and the CAT...

... hypothesis (Muneoka & Bryant, 1948 a,b) . limb regeneration cellular contribution pattern formation axolotl chimaeras regeneration Copyright © 1985 by Company of Biologists 1985 01 07 1985 ...

... tissues and not from revitalized irradiated tissues was shown using planarian strains of different pigmentation. cell movement cell markers regeneration chimaeras planarian nuclear chromosomal cytoplasmic Dugesia spp Copyright © 1985 by Company of Biologists 1985 05 03...

...R. Victoria Stirling; Dennis Summerbell ABSTRACT The trajectories of motor axons innervating chick wings reversed about the DV or AP axis before axon invasion were analysed after retrograde filling by HRP injection into biceps or triceps muscles. Chick-quail chimaeras showed that the plane...