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.
veÂ·lum. n. pl. veÂ·la (-lÉ). 1. Biology A covering or partition of thin membranous tissue, such as the veil of a mushroom, a rim of tissue around the margin of the bell of certain cnidarians, or a membrane of the brain.