hypothalamotomy

noun
hy·po·thal·a·mot·o·my | \ ˌhī-pō-ˌthal-ə-ˈmät-ə-mē \
plural hypothalamotomies

Medical Definition of hypothalamotomy 

: psychosurgery in which lesions are made in the hypothalamus by a knife, ultrasonic energy, radiation, or electricity

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