The urachus is an embryologic remnant of the cloaca that usually degenerates after birth, resulting from the obliteration of the allantois, whose role is to connect the bladder to the umbilicus.Incomplete removal of the lumen may give rise to different malformations of the median umbilical ligament after birth.Although in the satisfyer pro penguin
A major global concern is the widespread environmental destruction caused by hydrocarbons, especially from the dumping of spent engine oil.Hydrocarbons are a major source of pollution in the environment and have an impact on agriculture, aquatic life, and soil fertility.The necessity of resolving this issue is highlighted by the detrimental impact
Abstract Background Microorganisms must respond to changes in their environment.Analysing the robustness of functions (i.e.performance stability) to such dynamic perturbations is of great interest in both laboratory and industrial settings.Recently, a quantification method capable of assessing the robustness of various functions, such as specific g
sun decal for wall With more energy imported by China, the business on construction and operation of multinational oil and gas pipelines is increasing rapidly.The unique political attributes of multinational oil and gas pipelines are likely to bring about complicated and prominent political risks to the pipelines, which may not only trigger hazardo