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Dysgeusia, also known as parageusia, is a distortion of the sense of taste. Dysgeusia is also often associated with ageusia, which is the complete lack of taste, and hypogeusia, which is a decrease in taste sensitivity. [1] An alteration in taste or smell may be a secondary process in various disease states, or it may be the primary symptom.
Ageusia (from negative prefix a-and Ancient Greek γεῦσις geûsis 'taste') is the loss of taste functions of the tongue, particularly the inability to detect sweetness, sourness, bitterness, saltiness, and umami (meaning 'savory taste'). It is sometimes confused with anosmia – a loss of the sense of smell.
Doctors from around the world are reporting cases of COVID-19 patients who have lost their sense of smell, known as anosmia, or taste, known as ageusia. The director of the University of Florida ...
Kallmann syndrome (KS) is a genetic disorder that prevents a person from starting or fully completing puberty.Kallmann syndrome is a form of a group of conditions termed hypogonadotropic hypogonadism. [1]
Taste is the perception stimulated when a substance in the mouth reacts chemically with taste receptor cells located on taste buds in the oral cavity, mostly on the tongue. Taste, along with the sense of smell and trigeminal nerve stimulation (registering texture, pain, and temperature), determines flavors of food and other substances.
Familial dysautonomia (FD), also known as Riley–Day syndrome, is a rare, [2] progressive, [3] recessive genetic disorder of the autonomic nervous system [2] that affects the development and survival of sensory, sympathetic, and some parasympathetic neurons in the autonomic and sensory nervous system.
Anosmia, also known as smell blindness, is the loss of the ability to detect one or more smells. [1] [2] Anosmia may be temporary or permanent. [3]It differs from hyposmia, which is a decreased sensitivity to some or all smells.
Qualitative smell disorders cannot be measured and are disorders in which there is alternation or distortion in the perception of smell. Qualitative disorders include parosmia (also called troposmia) and phantosmia. [2] Dysosmia is a qualitative olfaction disorder and includes both parosmia and phantosmia.