4 | transportation finance briefing papers process are cyclical and occur incrementally over time, requiring sustained leader-ship over a number of years to achieve full implementation.Table 2.1 provides a snapshot of the state of performance measurement among 23 state DOTs that responded to a recent survey.
exists and is an alternate of . The pleural membrane is a double-layered serous membrane found in the thoracic cavity. The outer layer is called the parietal pleura and lines the thoracic wall, and the inner layer is called the visceral pleura and covers the lungs. The membranes produce lubricating serous fluid that causes them to adhere closely to one another.
The pleural membrane is made up of two layers. These layers can be illustrated in a transverse section of the thoracic cavity. The visceral or pulmonary pleura covers the outside of the lungs, and the parietal or costal pleura lines the inside of the chest wall, and it extends over the top of diaphragm.he visceral pleura surrounds the outside of the lung. The parietal pleura lines the inside of the chest wall and extends over the diaphragm. These membranes secrete a lubricating fluid, which allows for free movement of the lungs against the chest wall when we breathe.