sequestrum

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Related to sequestrectomies: osteomyelitis

sequestrum

 [se-kwes´trum] (L.)
1. a piece of dead bone that has become separated from sound bone during the process of necrosis.
2. any tissue that has become sequestered.

se·ques·trum

, pl.

se·ques·tra

(sē-kwes'trŭm, -tră),
A piece of necrotic tissue, usually bone, which has become separated from the surrounding healthy tissue.
[Mod. L. use of Mediev. L. sequestrum, something laid aside, fr. L. sequestro, to lay aside, separate]

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.

sequestrum

(sĭ-kwĕs′trəm)
n. pl. seques·tra (-trə)
A fragment of dead bone separated from healthy bone as a result of injury or disease.

sequestrum

[sikwes′trəm] pl. sequestra
Etymology: L, a deposit
a fragment of dead bone that is partially or entirely detached from the surrounding or adjacent healthy bone.

sequestrum

Orthopedics A plug of necrotic bone separated from viable bone. See Button sequestrum, Kissing sequestrum.

se·ques·trum

, pl. sequestra (sē-kwes'trŭm, -tră)
A piece of necrotic tissue, usually bone, which has become separated from the surrounding healthy tissue.
[Mod. L. use of Mediev. L. sequestrum, something laid aside, fr. L. sequestro, to lay aside, separate]

sequestrum

A piece of dead, often detached, bone lying within a cavity or abscess. Sequestra usually form as a result of long-term OSTEOMYELITIS.

sequestrum

piece of diseased/non-viable bone, separated from surrounding healthy bone; characteristic of chronic osteomyelitis; sequestrum may exfoliate through overlying soft tissues

se·ques·trum

, pl. sequestra (sē-kwes'trŭm, -tră)
Piece of necrotic tissue, usually bone, which has become separated from the surrounding healthy tissue.
[Mod. L. use of Mediev. L. sequestrum, something laid aside, fr. L. sequestro, to lay aside, separate]

sequestrum (sēkwes´trum),

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

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.

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.