<prompt> Thanatometer is used for?Measure JOP after deathMeasuring moisture content in the body after deathMeasuring core body temperature after deathMeasuring extent of rigor mortis after death  <response>: Thanatometer is used to measure core body temperature after death. Clinical thermometer which is commonly used in living persons cant be used. Most common site for measuring core body temperature is Rectum, except in cases of sodomy. 