5)Extensive InjuryPhysical injury involving greater area of the body beyond the site ofthe application of force. It has not only the wide area of injury but also thevaried types of injury. A fall from a height or a run-over victim of vehicularaccident may suffer from multiple fractures, laceration of organs, and alltypes of skin injuries.When a stationary head is hit by moving object, there is tendency forthe development of contusion on the brain at the site of impact. When themoving head hits a firm, fixed and hard object, brain contusion may develop atthe opposite of the site of impact. A coup-contre-coup location of braininjury may be found when a fixed head is hit with a moving object and thenfalls on another hard object.6.As to Regions or Organs of the Body1)Head and Neck2)Injuries in the Chest3)Abdominal Injuries4)Pelvic Injuries5)Extremities7.Special Types of Wounds1)Defense WoundWound which is the result of a person’s instinctive reaction of self-protection. Injuries suffered by a person to avoid or repel potential injurycontemplated by the aggressor.A person who is conscious that he is going to be hit by a bluntinstrument on the head may raised his flexed forearms over his head, causinginjuries to the forearms.If someone is going to stab another with a sharp instrument the tendencyof the potential victim is to take hold of the instrument thus causing theproduction of an incised stab wound on the palm of the hand.2)Patterned WoundWound in the nature and shape of an object or instrument and whichinfers the object or instrument causing it.Impact of the face on the radiator grill of a car may cause imprint ofthe radiator grill on face. A person run-over by a wheel of a car, tire marksare shown on the body.
42Due to hanging, the nature of the abrasion mark on the neck may infermaterial used. Contusion produced by belt, branch of tree, metallic rod etc.may have the shape of the wounding instrument.3)Self-Inflicted WoundSelf-inflicted wound is a wound produced on oneself. As distinguishedfrom suicide, the person has no intention to end his life.Types of Wounds1.Closed WoundsThere is no breach of continuity of the skin or mucous membrane.1)SuperficialWhen the wound is just beneath the layers of the skin or mucousmembrane.(1)PetechiaeThis is a circumscribed extravasation of the blood in the subcutaneoustissue or underneath the mucous membrane. The cause of passage of blood fromcapillaries may be due to the increase intra-capillary pressure or increasedpermeability of the vessel. The hemorrhage maybe small or pinhead sized butseveral petechiae may coalesced to form a bigger hemorrhagic area. Mosquito orother insect bites may cause the formation of a circumscribed hemorrhages.
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Federal Bureau of Investigation, investigator, robbery