sclerotic bone

sclerotic bone
one of a series of bones in the sclera of the eye, e.g. in Salmo there are anterior and posterior sclerotic bones, in Gasterosteus dorsal and posterior, and in Xiphias the entire sclera ossifies with two openings, one for the cornea and one for the optic nerve

Dictionary of ichthyology. 2009.

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  • sequestrum — n.; pl. sequestra a portion of dead bone formed in an infected bone in chronic osteomyelitis. It is surrounded by an envelope (involucrum) of sclerotic bone and fibrous tissue and can be seen as a dense area within the bone on X ray. It can cause …   The new mediacal dictionary

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