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.
the precursor of collagen, synthesized in osteoblasts and fibroblasts and subsequently converted to form collagen by procollagen peptidase. procollagen N-peptidase. one of the enzymes involved in the conversion of procollagen to collagen.proÂ·colÂ·laÂ·gen/ (-kolÂ´ah-jen) the precursor molecule of collagen, synthesized in the fibroblast, osteoblast, etc., and cleaved to form collagen extracellularly.