#anesthesia__anaesthesia  loss of bodily sensation with or without loss of consciousness
  supertype:  physiological_state__physiologicalstate__physiological_condition__physiologicalcondition  the condition of the body or bodily functions
  subtype:  cryoanesthesia__cryoanaesthesia  insensibility resulting from cold
  subtype:  general_anesthesia__generalanesthesia__general_anaesthesia__generalanaesthesia  a state of total unconsciousness resulting from anesthetic drugs (as for a major surgical operation)
     subtype:  inhalation_anesthesia  general anesthesia achieved by administration of an inhalation anesthetic
     subtype:  twilight_sleep  a state of general anesthesia in which the person retains a slight degree of consciousness; can be induced by injection of scopolamine or morphine
  subtype:  local_anesthesia__localanesthesia__local_anaesthesia__localanaesthesia  loss of sensation in a small area of the body (as when a local anesthetic is injected for a tooth extraction)
  subtype:  conduction_anesthesia__conduction_anaesthesia__nerve_block_anesthesia__nerveblockanesthesia__nerve_block_anaesthesia__nerveblockanaesthesia__block_anesthesia__blockanesthesia__block_anaesthesia__blockanaesthesia  anesthesia of an area supplied by a nerve; produced by an anesthetic agent applied to the nerve
  subtype:  regional_anesthesia__regional_anaesthesia  loss of sensation in a region of the body produced by application of an anesthetic agent to all the nerves supplying that region (as when an epidural anesthetic is administered to the pelvic region during childbirth)
     subtype:  acroanesthesia__acroanaesthesia  loss of sensation in the extremities
     subtype:  caudal_anesthesia__caudal_anaesthesia__caudal_block  regional anesthesia resulting from injection of an anesthetic into the caudal end of the spinal canal; now largely replaced by epidural anesthesia
     subtype:  epidural_anesthesia__epidural_anaesthesia__epidural  regional anesthesia resulting from injection of an anesthetic into the epidural space of the spinal cord; sensation is lost in the abdominal and genital and pelvic areas; used in childbirth and gynecological surgery
     subtype:  paracervical_block  regional anesthesia resulting from the injection of a local anesthetic on each side of the cervix; used during labor and childbirth
     subtype:  pudendal_block  regional anesthesia resulting from the use of a local anesthetic to deaden the pudendal nerves in the region of the vulva and labia majora; used to ease discomfort during childbirth
     subtype:  spinal_anesthesia__spinal_anaesthesia__spinal  anesthesia of the lower half of the body; caused by injury to the spinal cord or by injecting an anesthetic beneath the arachnoid membrane that surrounds the spinal cord
        subtype:  saddle_block_anesthesia__saddle_block_anaesthesia  the parts of a patient's body that would touch a saddle if the patient were sitting in one are anesthetized by injecting a local anesthetic into the spinal cord
  subtype:  topical_anesthesia__topicalanesthesia__topical_anaesthesia__topicalanaesthesia  loss of sensation confined to the skin or mucous surfaces (as when benzocaine or lidocaine is applied to the surface)

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