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 biology. 1  Myofilament, filaments of myofibrils constructed from proteins. 2  Protein filament, a long chain of protein subunits, such as those found in hair, muscle, or in flagella. 3  Part of a stamen, the male part of a flower. 4  A chain of cells connected end-to-end. 5  Hypha, a thread-like cell in fungi and Actinobacteria.