If not corrected, blood flow in the penis becomes impeded by the increasingly constricting band of foreskin, which causes further swelling of the glans. Because lack of oxygen from the reduced blood flow can cause tissue death (necrosis), paraphimosis is considered a medical emergency and requires immediate treatment.
Allantoin is a major metabolic intermediate in many other organisms including plants and bacteria.llantoin is a major metabolic intermediate in many other organisms including plants and bacteria.
The allantois is a sac-like structure that forms near the posterior of the embryo. It eventually forms into the umbilical cord, but only in placental animals. The umbilical cord is how the offspring gets gases and nutrients. This is exactly what the allantois is used for.