Of the common causes for exudative pleural effusions, parapneumonic effusions have the highest diagnostic priority. Even in the face of antibiotic therapy, infected pleural effusions can rapidly coagulate and organize to form fibrous peels that might require surgical decortication.
Retrogradation is the landward change in position of the front of a river delta with time.etrogradation is the landward change in position of the front of a river delta with time.
Reproduction in prokaryotic cells is by binary fission; a process of growth, enlargment and division. The DNA molecule of the cell is accurately duplicated and the two copies separated form each other by movement of the cell membrane to which they are attached.eproduction in prokaryotic cells is by binary fission; a process of growth, enlargment and division. The DNA molecule of the cell is accurately duplicated and the two copies separated form each other by movement of the cell membrane to which they are attached.