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 the. membrane whose function is to store. of the embryo. In placental mammals, the allantois is present but it does not exert that function, since embryonic wastes are collected by the motherâs body through the. .1  Extraembryonic Membranes Review-Image Diversity: the allantois.he amnion is the membrane that. the embryo. The chorion is the membrane that covers the. , the. and the. . The space delimited by the chorion and the amnion is called the. and it is filled with amniotic. .