Figure 7From: Detection in chick embryo of fetoproteins not recognized by the dam's immune system and of soluble alloantigens. Presumptive teratogenic and abortogenic capacity of their specific IgYThe three embryos were 53-h old (the control is not shown). The one on the right exhibited 8 pairs of somites and delayed development of heart and head, another in the middle had a head corresponding to stage 11 in the Table of Hamburger-Hamilton but the rest of the body was even more delayed and that on the left had a square cephalic end as its most salient morphologic abnormality.Back to article page