Shark Bite (cont.)
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Shark Attack Symptoms
Most people do not know a shark is nearby before an attack. Some people receive only a bump from the shark, which likely occurs when the shark is only investigating what is going on at the water's surface. Because a shark's skin contains tiny toothlike structures called denticles, it is as abrasive as coarse sandpaper. Thus, a bumping can result in a significant abrasion (scrape).
Shark jaws contain multiple rows of sharp, serrated, triangular teeth, and are continuously replaced as they shed. Classic shark bites are crescent-shaped. Another common wound pattern is a series of parallel cuts caused by the shark raking its teeth on the person. Sharks bites can cause massive tissue loss, with a tooth-to-tooth biting force that has been estimated to approach, in the extreme, 18 tons per square inch. Most bites, however, result in cuts that are not deep, or puncture wounds that do not cause blood vessel or nerve injury.
Medically Reviewed by a Doctor on 1/27/2016
Eric Mowatt-Larssen, MD
Paul Auerbach, MD
George Burgess, MSc
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