sentinel(redirected from sentinelling)
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sentinel/sen·ti·nel/ (sen´tĭ-n'l) one who gives a warning or indicates danger.
a recording mechanism, such as an animal, a farm or a veterinarian, posted explicitly to record a possible occurrence or series of occurrences in a prospective surveillance program.
a distended loop of small intestine associated with acute pancreatitis; visible in abdominal x-rays.