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Ultrastructural study of polyspermy during early embryo development in pigs, observed by scanning electron microscope and transmission electron microscope
- P. Xia, Zhouji Wang, Zengming Yang, Jinghe Tan, P. Qin
- Biology, Medicine
- Cell and Tissue Research
- 29 January 2001
Observed ultrastructural changes of accessory sperm during early embryonic development in pigs suggest that polyspermy may be a physiological condition in pigs and that early embryos may develop to term if accessory sperm do not interrupt the embryo genome. Expand
Fine structures of embryonic discs of in vivo post-hatching porcine blastocysts at the pre-primitive streak stage.
For the first time, the ultrastructure of the unusual group of cells in the pre-primitive streak area of embryonic discs is revealed and these primitive streak cells could represent original embryonic stem cells or represent a stem cell niche. Expand
ULTRASTRUCTURAL STUDIES ON CAPACITATION AND ACROSOME REACTION OF PIG SPERMATOZOA IN VITRO
- P. Qin
Capacitation involves a series of complicated physiological and biochemical events before the attachment of male gamete against female gamete, which leads to the visible acrosome reaction of the… Expand
The Morphological Study of Transplantation of Neocortical Tissue in Rats
Huang Jian, Wu Ke Lan, Peng Jie Qin Department of Pathology, Tong Ji Medical University, Wu Han 430030 In this paper, neocortical tissue from E15-E17 embryos of Wistar rats were transplanted to the… Expand