Hematoma after surgery or postoperative hematoma is basically a localized collection of blood at the surgery site. It is defined as the collection or pooling of blood under the skin, in body tissues or an organ. Hematoma is a common potential post-surgery complication, and is commonly seen after a face-lift surgery.ematoma after Surgery. Hematoma is a sac of blood that gets accumulated at a surgical site, after surgery. This accumulation of blood leads to pain, inflammation, and discoloration of the skin around the surgical wound.
noun, plural aircraft. 1. any machine supported for flight in the air by buoyancy or by the dynamic action of air on its surfaces, especially powered airplanes, gliders, and helicopters. Origin of aircraft.
A fly by of an F-22 Raptor, a pair of F-86 Sabres, and a P-38 Lightning during Heritage Flight training at DavisâMonthan Air Force Base. A fighter aircraft is a military aircraft designed primarily for air-to-air combat against other aircraft, as opposed to bombers and attack aircraft, whose main mission is to attack ground targets. The hallmarks of a fighter are its speed, maneuverability, and small size relative to other combat aircraft. Many fighters have secondary ground-attack capabilities, and some are designed as dual-purpose fighter-bombers; often aircraft that do not fulfill the standard definition are called fighters.