why is the jejunum always found to be empty after death? how can it indicate about the time passed after death??

Dear student,
Please find below the solution to the asked query

The word jejunum is derived from the Latin word jejunus that means empty of food. It is usually found empty even after death because of the intensive peristaltic activity of its muscles that pushes undigested food quickly out of it into the large intestine.

The presence of food in stomach and small intestines provides evidence to the pathologists to determine the time of death. Pathologists know the time period for which ingested and undigested food remains in stomach and small intestines. Based on this, they can determine the time of death. For example, food remains in stomach for six hours and if stomach is filled at the time of autopsy, then it means that death has occurred immediately after having meals.
 
Hope this information will clear your doubts about the jejunum.
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Regards

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