opisthotonus

o·pis·thot·o·nos

, opisthotonus (ō'pis-thot'ō-nŭs), A tetanic spasm in which the spine and extremities are bent with convexity forward, the body resting on the head and the heels. [opistho- + G. tonos, tension, stretching]

opisthotonus

Neurology A type of spasm in which the head and heels arch backward in extreme hyperextension and the body forms a reverse bow; opisthotonus may be seen in scorpion stings, due to cholinergic hyperstimulation by venom.

o·pis·thot·o·nos

, opisthotonus (ō'pis-thot'ǒ-nos, -nŭs) A tetanic spasm in which the spine and limbs are bent with convexity forward, the body resting on the head and the heels. [opistho- + G. tonos, tension, stretching]

opisthotonus

Spasmodic, powerful contractions of the back and rear neck muscles causing the body to arch backwards so that the heels approximate to the head. This is a feature of TETANUS, severe MENINGITIS, strychnine poisoning and some brainstem disorders.

单词	opisthotonus
释义	opisthotonus opisthotonus [‚ap·əs′thät·ən·əs] (medicine) A condition, caused by a tetanic spasm of the back muscles, in which the trunk is arched forward while the head and lower limbs are bent backward. opisthotonus o·pis·thot·o·nos , opisthotonus (ō'pis-thot'ō-nŭs), A tetanic spasm in which the spine and extremities are bent with convexity forward, the body resting on the head and the heels. [opistho- + G. tonos, tension, stretching] opisthotonus Neurology A type of spasm in which the head and heels arch backward in extreme hyperextension and the body forms a reverse bow; opisthotonus may be seen in scorpion stings, due to cholinergic hyperstimulation by venom. o·pis·thot·o·nos , opisthotonus (ō'pis-thot'ǒ-nos, -nŭs) A tetanic spasm in which the spine and limbs are bent with convexity forward, the body resting on the head and the heels. [opistho- + G. tonos, tension, stretching] opisthotonus Spasmodic, powerful contractions of the back and rear neck muscles causing the body to arch backwards so that the heels approximate to the head. This is a feature of TETANUS, severe MENINGITIS, strychnine poisoning and some brainstem disorders.
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