adjective, sourer, sourest. 1. having an acid taste, resembling that of vinegar, lemon juice, etc.; tart. 2. rendered acid or affected by fermentation; fermented. 3. producing the one of the four basic taste sensations that is not bitter, salt, or sweet. 4. characteristic of something fermented: a sour smell.
General anesthetics normally are used to produce loss of consciousness before and during surgery. However, for obstetrics (labor and delivery) or certain minor procedures, an anesthetic may be given in small amounts to relieve anxiety or pain without causing unconsciousness.
General anesthesia is used during gallbladder surgery. The surgery begins with the administration of an IV sedative to relax the patient. Once the drug takes effect, the anesthesia provider inserts a breathing tube, or endotracheal tube, through the patientâs mouth into the windpipe.