Akademik

rigor
1. SYN: rigidity (1). 2. SYN: chill (2). [L. stiffness]
- acid r. coagulation of muscle protein induced by acids.
- calcium r. arrest of the heart in the fully contracted state as a result of poisoning with calcium.
- heat r. coagulation of muscle protein induced by heat.
- r. mortis stiffening of the body, 1–7 hours after death, from hardening of the muscular tissues as a consequence of the coagulation of the myosinogen and paramyosinogen; it disappears after 1–6 days or when decomposition begins. SYN: cadaveric rigidity, postmortem rigidity.
- myocardial r. mortis SYN: ischemic contracture of the left ventricle.

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rig·or 'rig-ər, Brit also 'rī-.gȯr n
1 a) CHILL (1)
b) a tremor caused by a chill
2 a) rigidity or torpor of organs or tissue that prevents response to stimuli
b) RIGOR MORTIS

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n.
1. an abrupt attack of shivering and a sensation of coldness, accompanied by a rapid rise in body temperature. This often marks the onset of a fever and may be followed by a feeling of heat, with copious sweating.
2. see rigor mortis.

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rig·or (rigґor) (riґgor) [L.] 1. a chill. 2. rigidity.

Medical dictionary. 2011.