Category: S

A grainy distortion (a kind of “noise”) in an ultrasonographic image.  

Treatment directed at the cause of a disease.  

Administration of a remedy acting directly against the cause of a disease, as penicillin for syphilis or acyclovir for herpes simplex virus.  

The design of exercises to stress muscles in a manner similar to the way in which they are to perform. This technique helps the muscle to meet specific demands, including speed and type of contraction, strength and endurance requirements, stabilization, and mobility activities.  

The original species that served as the basis for identifying a new genus or subgenus.  

The transfer of a pathogen, especially one considered species-specific, to a new host species, e.g., Hantavirus from mice to humans.  

A hospital that provides a limited range of services (e.g., orthopedic surgery, ophthalmology, or obstetrics). A hospital that specializes in treating one age group or one type of disorder.  

The limitation of one’s practice to a particular branch of medicine, surgery, dentistry, or nursing. This is customarily done after having received postgraduate training in the area of specialization.  

Injury to the cervical spine resulting from players using their heads as a primary point of impact with their opponents’ bodies in contact sports such as football or soccer. This condition is considered an absolute contraindication to participation in contact sports in which high-energy axial loads may be applied to the cervical spine because it…

The distribution of droplets into the air or onto solid surfaces, as a result of injuries to blood vessels (blood spatter) or during dental or surgical procedures. In health care, spatter is a potential source of exposure to infectious body fluids. In forensic medicine, the characteristics of spattered fluids are used to reconstruct crime scenes.…