allantoic stalk n.
The narrow connection between the intraembryonic portion of the allantois and the extraembryonic allantoic vesicle.
Krause maintains that all the other embryos shewing an allantoic stalk at an early age are pathological.
The intra-embryonic portion of the allantoic stalk gives rise to two structures, viz.
The allantoic stalk, if present, was not clearly made out, and the condition of the amnion was also not fully studied.