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.
Filament - In physics and electrical engineering. 1  An electrical filament in an incandescent light bulb. 2  Similarly, a thin heating element. 3  Current filament. 4  Filament propagation, diffractionless propagation of a light beam. 5  3D printing filament, used as raw material for Fused deposition modeling 3D printers.