sequestrum

sequestrum /se·ques·trum/ (se-kwes´trum) pl. seques´tra   [L.]

1. any sequestered tissue.

2. a piece of dead bone separated from the sound bone in necrosis.

Formation of a sequestrum: (A), sound bone; (B), new bone; (C), granulations lining involucrum; (D), cloaca; (E), sequestrum.

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se·ques·trum (s-kwstrm)

n. pl. se·ques·tra (-tr)

A fragment of dead tissue, usually bone, that has separated from healthy tissue as a result of injury or disease.

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sequestrum (sēkwes´trum),

n a piece of dead bone that has become separated from vital bone. See also osteoradionecrosis.

Sequestrum.

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sequestrum

pl. sequestra [L.] a piece of dead tissue that has become separated during the process of necrosis from sound tissue; refers usually to bone, but occurs also in cornea and lung.

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feline corneal sequestrum

see corneal sequestrum.

lung sequestrum

a critical feature in the epidemiology of contagious bovine pleuropneumonia; the sequestrum provides a long-term source of the causative bacteria.