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.
allantoic diverticulum the endodermal sacculation that becomes the allantois; in humans it is an outpouching of the caudal wall of the yolk sac that becomes the urachus. ileal diverticulum, Meckel's diverticulum an occasional sacculation or appendage of the ileum, derived from an unobliterated yolk stalk.