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INTERVAL. A space of time between two periods. When a person is unable to perform an act at any two given periods, but in the interval he has performed such act, as when a man is found to be insane in the months of January and March, and he enters into a contract or makes a will in the interval, in February, he will be presumed to have been insane at that time; and the onus will lie to show his sanity, on the person who affirms such act. See Lucid interval.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
In conclusion, the effects of prolonged postmortem interval on integrity chicken skeletal muscle RNA and its reliability for use in gene expression analysis were evaluated.
Forensic entomologists are commonly called upon to determine the postmortem interval or "time since death" in homicide investigations.
Insect migration can be used by researchers in the estimation of postmortem interval since fly larva progress through a predictable developmental sequence.
Thus for the bug-savvy gumshoe, a maggot's biological clock can provide a highly accurate measure of a body's postmortem interval, or PMI -- a variable that very much interests murder investigators.
Using ADD to estimate the postmortem interval from decomposed human remains.
This species may be found on human corpse and have been used to estimate the postmortem interval (PMI) in forensic cases [14-16].
[3] Nonstandard abbreviations: CSF, cerebrospinal fluid; 2DE, 2-dimensional gel electrophoresis; PMI, postmortem interval; volume, percent integrated intensity; MS/MS, tandem mass spectrometry.
Preliminary observation s of the effects of amitriptyline in decomposing tissues on the development of Parasarcophaga ruficornis (Diptera: Sarcophagidae) and implications of this effect to estimation of postmortem interval. Journal of Forensic Science 38: 316-322.
On remains available to the ants, arthropod communities were diminished, resulting in a slower decomposition rate and an altered determination of postmortem interval when compared to carcasses not inhabited by fire ants.
In our study 150 deceased had Postmortem interval 6-24 hrs, 22 cases with less than 6hrs and rest more than 24hrs [iii].