Hairs are preserved in which poisoning:-
Poison Organ preserved Nux vomica Aconite Alcohol / any cerebral poison Metal (chronic) - arsenic, antimony, thallium Volatile poisoning (gas) - Spinal cord/ - Hea - Brain - Bone, hair, nail - Lungs
Arsenic
Manganese
Phosphorous
Alcohol
Toxicology - 3