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Lampreys (sometimes also called lamprey eels) are a family of jawless fish
Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Desert Stream Channel
A Gaucher cell showing accumulated fat stored in structures called lysosomes
X-ray showing pneumonia. Fluid and blood cells fill the lungs