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.
Velamentous insertion and vasa previa. Usually the umbilical blood vessels run from the placenta, protected within the umbilical cord, to the baby. However, in 1% to 2% of pregnancies, a condition called velamentous insertion of the umbilical cord can occur.