rigor

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rigor

 [rig´or, ri´gor]
1. a chill; rigidity.
2. strict discipline or scrupulous adherence to a given set of standards.
rigor mor´tis the stiffening of a dead body accompanying depletion of adenosine triphosphate in the muscle fibers.

ri·gid·i·ty

(ri-jid'i-tē),
1. Stiffness or inflexibility.
See also: nuchal rigidity. Synonym(s): rigor (1)
2. In psychiatry and clinical psychology, an aspect of personality characterized by a person's resistance to change.
See also: nuchal rigidity.
3. In neurology, one type of increase in muscle tone at rest; characterized by increased resistance to passive stretch, independent of velocity and symmetric about joints; increases with activation of corresponding muscles in the contralateral limb. Two basic types are cogwheel rigidity and lead-pipe rigidity.
See also: nuchal rigidity.
[L. rigidus, rigid, inflexible]

rigor

/rig·or/ (rig´er) [L.] chill; rigidity.
rigor mor´tis  the stiffening of a dead body accompanying depletion of adenosine triphosphate in the muscle fibers.

rigor

(rĭg′ər)
n.
1.
a. Strictness or severity, as in action or judgment: "The desert fostered a closed world of faith and rigor and harsh judgment: almost every decision here could have lethal consequences" (Jeffrey Tayler).
b. A harsh or trying circumstance; a hardship or difficulty: the rigors of working in a coal mine.
c. Archaic A harsh or severe act.
2.
a. Strictness in adhering to standards or a method; exactitude: "To study the brain with scientific rigor, behaviorists logically restricted their experiments to ones in which the brain was the source of measurable effects" (Robert Pollack).
b. A standard or exacting requirement, as of a field of study: the intellectual rigors of advanced mathematics.
3. Medicine Shivering or trembling, as caused by a chill.
4. Physiology A state of rigidity in living tissues or organs that prevents response to stimuli.
5. Obsolete Stiffness or rigidity.

rigor

[rig′ər]
Etymology: L, stiffness
1 a rigid condition of the body tissues, as in rigor mortis.
2 a violent attack of shivering that may be associated with chills and fever.
Stiffness of a cadaver. The following are crude approximations of the time of death, based on temperature and presence/absence of rigor
warm and flaccid < 3 hours
warm and stiff 3-8 hours
cold and stiff 8-36 hours
cold and flaccid > 36 hours

chill

(chil)
1. A sensation of cold.
2. A feeling of cold with shivering and pallor, accompanied by an elevation of temperature in the interior of the body; usually a prodromal symptom of an infectious disease due to the presence in the blood of foreign protein or toxins.
Synonym(s): rigor (2) .
[A.S. cele, cold]

ri·gid·i·ty

(ri-jid'i-tē)
1. Stiffness or inflexibility.
Synonym(s): rigor (1) .
2. psychiatry, clinical psychology An aspect of personality characterized by a person's resistance to change.
3. neurology One type of increase in muscle tone at rest; characterized by increased resistance to passive stretch, independent of velocity and symmetric about joints; increases with activation of corresponding muscles in the contralateral limb. Two basic types are cogwheel rigidity and leadpipe rigidity.
See also: nuchal rigidity
[L. rigidus, rigid, inflexible]

rigor

A violent attack of shivering causing a rapid rise in body temperature.

rigor

a subjective sensation of feeling cold, accompanied by muscle tremor, characteristic of the increment stage of fever. Because of its subjectivity it is not a term that can be used in animal medicine.

rigor complexes
formed when actin and myosin bond together strongly in the absence of ATP; occurs in rigor mortis.
rigor mortis
the stiffening of a dead body accompanying depletion of adenosine triphosphate in the muscle fibers.
References in classic literature ?
In the preceding inquiries the powers of the convention have been analyzed and tried with the same rigor, and by the same rules, as if they had been real and final powers for the establishment of a Constitution for the United States.
If you go on so, his Eminence will be forced to renew his company in three weeks, and I to put the edicts in force in all their rigor.
How differently do the same acts of parental rigor appear in the eyes of the suffering child and of the chastened man
He had found the couple hobnobbing together in all amity; the old gentleman's rigor was purely theoretic.
The dead don't sigh, and for all practical purposes I was that, except for the final consummation, the growing cold, the rigor mortis - that blessed state
The same discrimination of fit and fair runs out, if with less rigor, into all parts of life.
We regret to be obliged to add, that, owing to the rigor of the season, he was using his tongue as a handkerchief.
She did not know then that it was Love who had come to her briefly, as in a dream before awaking, with the hues of morning on his wings-- that it was Love to whom she was sobbing her farewell as his image was banished by the blameless rigor of irresistible day.
With increasing rigor has the jeddak of Manator persecuted the slaves from Gathol since he took to himself the unwilling Princess Haja.
His muscles were set as hard as a board in the most exaggerated rigor mortis, while the contraction of the fibres had drawn his mouth into a hard sardonic grin.
Of course, there were exceptions to this; and, such was the rigor of his discipline, that if he had a dinner or a conference before him in which, in a business way, he encountered enemies or allies and planned or prosecuted campaigns, he abstained from drinking.
They are in a state of extreme contraction, far exceeding the usual rigor mortis.