<prompt> Duret haemorrhage isare seen in:ConjunctivaMiddle earEndocardium of heaBrain  <response>: D i.e. Brain Whiplash injury results from acute hyperextension of cervical spineQ in the region of C4 - C6 veebrae. Coup Count-re coup lesions are most commonly seen in brainQ. Lucid interval is seen in insanity epidural haemorrhageQ Fracture - ala - signature signature fracture is also known as depressed fracture of skull vaultQ. Depressed Signature fracture are caused by heavy weapon with small striking surface eg. hammerQ. Pond or Indented fracture occur in childrenQ due to elasticity of their skull bones. -Duret haemorrhages are small areas of bleeding in anterior paramedian upper brain stem midbrain ponsQ produced due to progressive rise of intracranial pressure 1t coning or downward herniation of brainstem into foramen magnum. This results in stretching shearing of perforators of basilar aery causing duret hemorrhage , tractional damage of pituitary stalk causing diabetes insipidus; Cushing triad bradycardia, hypeension respiratory irregularities, mid size non reacting pupil and brainstem death. 