| 释义 |
‖ sequestrum Path.|sɪˈkwɛstrəm|
Pl. sequestra.
[mod.L. use of L. sequestrum something separated, neut. of sequester adj.: see sequester n.]
A detached piece of bone lying within a cavity formed by necrosis. Also applied to a portion of skin separated by disease from the surrounding parts. Cf. sequester n.2 3.
1831South Otto's Path. Anat. ii. 146 One or several holes..which..produce an outlet for the continually absorbed and diminished sequestrum. 1859J. Tomes Dental Surg. 74 The teeth, whether permanent or temporary, implanted in the sequestrum, are usually lost. 1899Allbutt's Syst. Med. VI. 584 A zone of ulceration, which leads to the gradual separation of a sequestrum of skin.
attrib.1891Century Dict., Sequestrum forceps. 1895Catal. Surg. Instr. 38. |