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.
stalk. allantoic stalk the slender tube interposed between the urogenital sinus and allantoic sac; it is the precursor of the urachus. body stalk, connecting stalk a bridge of mesoderm connecting the caudal end of the young embryo with the trophoblastic tissues; the precursor of part of the umbilical cord.