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 forms as an outpocketing of the embryoâs hindgut and grows outward into the space between the amnion and chorion. This arrangement of extra-embryonic membranes is an evolutionary adaptation that permitted the deposition of eggs in terrestrial environments.