| nocturnal penile tumescence |
ABBR: NPT. Erection occurring during sleep. In the normal male, these erections occur beginning in early childhood and continue to at least the eighth decade. The total time of NPT averages 100 minutes per night. In
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| nocturnal penile tumescence t. |
NPT t.; monitoring of erections occurring during sleep; in the differential diagnosis of psychogenic and organic impotence, the former is generally associated with the presence of normal patterns of nocturnal erection while the latter is not.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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