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.
A filament is that which is threadlike; as, the filament of silk, or flax. A filament of flame darted down the dark skies one moonless night and those who saw it believed, at first, that it was a meteor. Close to the filament is a graphite disk which serves as one of the electrodes.