Category: S
-
Spreading factor
The hyaluronidase made by Bacillus anthracis, the bacteria that causes anthrax.
-
Sympathizing eye
In sympathetic ophthalmia, the uninjured eye, which reacts to the pathological process in the injured eye.
-
Squinting eye
An eye that deviates from the object of fixation in strabismus.
-
Solid extract
An extract made by evaporating the fluid part of a solution.
-
Soft extract
An extract with the consistency of honey.
-
Stretching exercise
A therapeutic exercise maneuver, using physiological principles, designed to increase joint range of motion or extensibility of pathologically shortened connective tissue structures.
-
Sister chromatid exchange
The exchange of corresponding parts of homologous maternal and paternal chromosomes during the first meiotic division. This contributes to genetic diversity in the offspring.
-
Serum eruption
An eruption that occurs following the injection of serous fluid. It may be accompanied by chills, fever, and arthritic symptoms.
-
Seabather’s eruption
Itching red papules that may appear on the skin within a few hours of swimming in saltwater. The rash is caused by the sting of the larval forms of the thimble jellyfish or the sea anemone. The rash is usually more prominent under swimsuits than on exposed skin because the pressure of clothing on the…
-
Systematic error
The residual error after random error has been subtracted from total error.