Lesion
A lesion was the abnormal damage of tissue caused by illness or violence.

The Akaali suffering from a serious disease, a poisoning due to the intoxicated water supplies with tetracyanate 622, were identified by mottled skin and lesions on their faces. ()

In 2153, a Vulcan crewmember of the Seleya caused a bloody lesion on Captain Jonathan Archer's left cheek while attacking him in a corridor. ()

The Aldean sculptor Leda suffered from lesions on her skin due to radiation poisoning but the Aldean medicine was able to cure her. ()

Several crewmembers of the  suffered from lesions following the transport of the ship into the Delta Quadrant. ()

The Vhnori Ptera died of a tumorous lesion to her midbrain. ()

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Medical conditions