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tache (tahsh)   French word meaning spot.
 

tache cérébrale  (“cerebral spot”), a congested streak produced by drawing the nail across the skin; a concomitant of various nervous or cerebral diseases.

tache noire  (“black spot”), an ulcer covered with a black crust, a characteristic local reaction at the presumed site of the infective bite in certain tickborne rickettsioses.





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