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.
noun. (1) The process involving a series of degradative chemical reactions that break down complex molecules into smaller units, usually releasing energy in the process.(2) A destructive type of metabolism.Supplement.oun. (1) The process involving a series of degradative chemical reactions that break down complex molecules into smaller units, usually releasing energy in the process.