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.
Definition of VESICLE. 1. a: a membranous and usually fluid-filled pouch (as a cyst, vacuole, or cell) in a plant or animal b: a small abnormal elevation of the outer layer of skin enclosing a watery liquid: blister c: a pocket of embryonic tissue that is the beginning of an organ.2. : a small cavity in a mineral or rock.. a: a membranous and usually fluid-filled pouch (as a cyst, vacuole, or cell) in a plant or animal b: a small abnormal elevation of the outer layer of skin enclosing a watery liquid: blister c: a pocket of embryonic tissue that is the beginning of an organ. 2. : a small cavity in a mineral or rock.