Signs and symptoms of an effusion vary depending on the underlying disease, but dyspnea, cough, and pleuritic chest pain are common. Chest examination of a patient with pleural effusion is notable for dullness to percussion, decreased or absent tactile fremitus, decreased breath sounds, and no voice transmission.
Medical Definition of velamentous insertion. : attachment of the umbilical cord to the chorion beyond the margin of the placenta.
insertion (plural insertions) 1  The act of inserting, or something inserted. ( 2 anatomy) The distal end of attachment of a muscle to a bone that will be moved by the muscle. ( 3 genetics) The addition of a nucleotide to a chromosome by mutation.