内ない因いん死し

noun

death from natural causes

Medical term contrasting with 外因死 (death from external causes). Used in forensic and clinical contexts.

See also: 外因死

• 検けん死しの結けっ果か、死し因いんは内ない因いん死しと判はん断だんされた。

  The autopsy determined the cause of death to be from natural causes.

• 内ない因いん死しと外がい因いん死しの区く別べつは法ほう医い学がくで重じゅう要ようだ。

  The distinction between death from natural causes and death from external causes is important in forensic medicine.