Definition of Tetanos
Tetanus or Lock-Jaw, a nervous affection of a most painful and
fatal character, which usually begins with intensely painful and
persistent cramp of the muscles of the throat and jaws, spreading down to
the larger muscles of the body. As the disease progresses the muscles
become more and more rigid, while the paroxysms of pain increase in
violence and frequency. Death as a rule results from either sheer
exhaustion or failure of breath through the spasmodic closure of the
glottis. The cause of the disease is now ascertained to be due to the
action of a microbe, which may find an entrance through any wound or
abrasion of the skin, not necessarily of the thumb as is the popular
belief.
- Wikipedia
||Tet"a*nus (?), n. [L., fr. Gr. &?;, fr. &?;
stretched, &?; to stretch.] 1. (Med.) A painful
and usually fatal disease, resulting generally from a wound, and having as
its principal symptom persistent spasm of the voluntary muscles. When the
muscles of the lower jaw are affected, it is called locked-jaw, or
lickjaw, and it takes various names from the various incurvations of
the body resulting from the spasm.
2. (Physiol.) That condition of a muscle in
which it is in a state of continued vibratory contraction, as when
stimulated by a series of induction shocks.
||Tet"a*nus (?), n. [L., fr. Gr. &?;, fr. &?;
stretched, &?; to stretch.] 1. (Med.) A painful
and usually fatal disease, resulting generally from a wound, and having as
its principal symptom persistent spasm of the voluntary muscles. When the
muscles of the lower jaw are affected, it is called locked-jaw, or
lickjaw, and it takes various names from the various incurvations of
the body resulting from the spasm.
2. (Physiol.) That condition of a muscle in
which it is in a state of continued vibratory contraction, as when
stimulated by a series of induction shocks.
- Webster's Unabridged Dictionary (1913)
- (pathology) A serious and often fatal disease arising through infection of an open wound by the anaerobic bacterium Clostridium tetani that is found in soil and the intestines and faeces of animals. The bacteria produce an exotoxin which causes spasmodic contraction of voluntary muscles, especially those of the neck and jaw.
- (physiology) A state of muscle tension caused by sustained contraction arising from a rapid series of nerve impulses which do not allow the muscle to relax.
- The Nuttall Encyclopedia
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