ageusia AE MedDRA ID: 10001480 WEB: http://en.wikipedia.org/wiki/Ageusia a behavior and neurological AE that has an outcome of loss of taste functions of the tongue, particularly the inability to detect sweetness, sourness, bitterness, saltiness, and umami (the taste of monosodium glutamate). 味觉缺失 SS, YH behavioral and neurological AE