Vista microscópica del moco de esputo con bacterias Actinomyces Israelii de un paciente con actinomycosis del pulmón, manchado con carmín y ácido picrórico - siglo XIX - Ilustración de stock

Microscopic view of human blood cells and actinomyces israelii bacteria found in the sputum mucus from a patient with Actinomycosis of the lung, stained with carmine and picric acid. Vintage etching circa mid 19th century.