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Dinoflagellates of the supergroup Alveolata and their characteristic alveoli.
Hartmann's mountain zebra resting, showing its characteristic essentially unbarred belly
Malignant melanoma. This photograph demonstrates the highly characteristic color of this tumor.
Conjunctivitis, with the characteristic “pinkeye” appearance. A yellow crusty exudate is also common
Assessment of characteristic odors
Poverty comes in many forms. Families who go into debt to buy possessions squeak by month after ...