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.
Military aircraft. A military aircraft is any fixed-wing or rotary-wing aircraft that is operated by a legal or insurrectionary armed service of any type. Military aircraft can be either combat or non-combat: Combat aircraft are designed to destroy enemy equipment using their own aircraft ordnance. Combat aircraft are normally developed and procured only by military forces. Non-combat aircraft are not designed for combat as their primary function, but may carry weapons for self-defense. These mainly operate in sup