Thirty-six impure substances
Thirty-six impure substances (Wyl. mi gtsang ba'i rdzas so drug) —
- hair
- facial hair
- teeth
- nails
- excrement
- urine
- sweat
- mucus
- tears
- saliva
- secretions*
- skin
- flesh
- blood
- bones
- fat
- marrow
- veins
- sinews
- lungs
- heart
- liver
- spleen
- kidneys
- stomach
- small intestine
- large intestine
- colon
- urinary bladder
- grease
- lymph
- pus
- phlegm
- bile
- brain
- cerebral membrane
*Secretions (dri ma) includes eye secretions, ear wax, and plaque.