This article is about the sign of death. For other uses, see Rigor mortis (disambiguation) . Rigor mortis (Latin: rigor stiffness, mortis of death) is one of the recognizable signs of death, caused by chemical changes in the muscles after death, causing the limbs of the corpse to stiffen.t the time of death, a condition called primary flaccidity occurs. Following this, the muscles stiffen in rigor mortis. All muscles in the body are affected. Starting between two to six hours following death, rigor mortis begins with the eyelids, neck, and jaw.
When a source has no page numbers, in-text citations for it can just include the author's name. The author-only in-text citation can be placed in parentheses or be part of the sentence in which the source is quoted or paraphrased. Here are some examples from the 7th Edition MLA Style Guide:
In-Text Citations. Locate the name or names of the author or authors of the book you wish to cite. MLA requires an in-text citation as close to the information you are borrowing as possible. In the text of your paper, include the author's last name and the page number(s) where the information you are using is located in the book. Purdue University's Online Writing Lab (OWL) notes that this can be done as part of a sentence or at the end of a sentence in parentheses. Examples of both methods are shown below.