<prompt> Diatoms are seen inInfanticideDrowningHangingMummifications  <response>: B. i.e. Drowning 3.69 - Parikh 6thDIATOMS - is unicellular algae, have silicaceous cell wall Best site of sample - Bone marrow in femur Since diatoms resist putrefaction, diatom test may have some value in examination of decomposed bodies The test is negative in dead bodies thrown in water and in dry drowning Tissues from brain, liver and BMGettlers Test used in Drowning to estimate the chloride content of blood from both sides of the heart Diagnostic features of drowning - is fine white latheary tenacious froth or foam rarely tinged with blood other causes are - chest - compression, opium poisoning, slow asphyxia. Putrefaction.i. Cutis - anserine - goose - skin or goose flesh - the granular and puckered appearance of the skin and pataufs hemorrhageii. Washer - woman s hand - the slan of the hands or feat shows bleached, corrugated and sodden appearance Commonest type of Drowning is - Suicidal 