Tetanus

n. infectious disease which usually enters the body through wounds

Tetanus is a medical condition that is characterized by a prolonged contraction of skeletal muscle fibers. The primary symptoms are caused by tetanospasmin, a neurotoxin produced by the Gram-positive, obligate anaerobic bacterium Clostridium tetani. Infection generally occurs through wound contamination, and often involves a cut or deep puncture wound. As the infection progresses, muscle spasms in the jaw develop hence the common name, lockjaw. This is followed by difficulty swallowing and general muscle stiffness and spasms in other parts of the body. Infection can be prevented by proper immunization and by post-exposure prophylaxis.
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Tetanus is a rare but often fatal disease that affects the central nervous system by causing painful muscular contractions. [more]Tetanus - Community and Resources

Noun
1. an acute and serious infection of the central nervous system caused by bacterial infection of open wounds; spasms of the jaw and laryngeal muscles may occur during the late stages
(synonym) lockjaw
(hypernym) infection
2. a sustained muscular contraction resulting from a rapid series of nerve impulses
(hypernym) contraction, muscular contraction, muscle contraction

n. tetanus, infectious disease which usually enters the body through wounds