A Permian Osteomyelitis: across section through the spine showing highly developed sinuses which in life were filled with pus, etc.

    Licence: Attribution 4.0 International (CC BY 4.0)

    Credit: A Permian Osteomyelitis: across section through the spine showing highly developed sinuses which in life were filled with pus, etc. Wellcome Collection. Source: Wellcome Collection.

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