The dorsoventral polarity of Drosophila egg is established by means of signaling between the germ line-derived oocyte and the surrounding somatic follicle cells.
Abstract To probe into the embryotoxicity , the teratogenic effect of sodium selenite as well as it teratogenic dosage and characteristics were studied.
Objective To investigate the relationship between the first polar body morphology of oocyte and the zygote morphology in pronucleus stage, embryo quality in cleavage stage.
In case 6, the heart looks "inverted" compared to normal (Figure 8). This phenomenon is called dextrocardia, and it results from a looping anomaly during embryologic development.
Conclusion The N-GSLs in human embryonic kidney tissue seemed to be closely related to the growth and differentiation of the cell, and globoside may be the marker of normal kidney tissue.