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.
Bread that was initially soft and moist becomes progressively harder and dry. Starch retrogradation can be temporarily reversed by reheating loaves of bread in the oven or individual slices in the toaster.Reheating brings the bread back up to the gelatinization temperature and causes the molecules to reabsorb some moisture.owever, there is a way that this process can be reversed-at least temporarily... During baking, starch molecules in the raw bread dough begin to gelatinize at about 150Â°, meaning they absorb moisture, swell, and then become semi-firm.