Tolerance to morphine. II. Lack of effects on brain 5-hydroxytryptamine and gamma-aminobutyric acid.
D000596:Amino Acids / Q000378:metabolism*; D001921:Brain / Q000378:metabolism*; D004361:Drug Tolerance; D007108:Immune Tolerance; D009020:Morphine / Q000494:pharmacology*; D012701:Serotonin / Q000378:metabolism*; D005680:gamma-Aminobutyric Acid
D000596:Amino Acids; D012701:Serotonin; D005680:gamma-Aminobutyric Acid; D009020:Morphine
AMINO ACIDS/metabolism; BRAIN/metabolism; MORPHINE/pharmacology; SEROTONIN/metabolism