| 释义 |
‖ leucoma Path.|ljuːˈkəʊmə|
[mod.L., a. Gr. λεύκωµα, f. λευκοῦν to make white, f. λευκός white.]
A white opacity in the cornea of the eye, the result of inflammation or of a wound; = albugo.
1706Phillips (ed. Kersey), Leucoma, a white Scar in the Horney Coat of the Eye. 1802Med. Jrnl. VIII. 399 The disease Leucoma, or Albugo. 1853H. Walton Operat. Ophth. Surg. 605 The lower edge of the pupil adhered to the leucoma.
Hence leuˈcomaine |-meɪɪn| Chem., an alkaloid found in the living body as distinguished from one found in a dead or putrefying body (ptomaine). leuˈcomatous a., affected with leucoma.
1887Athenæum 20 Aug. 247/3 It treats of the ptomaines and leucomaines..in relation to scientific medicine. 1898P. Manson Trop. Diseases xxvi. 404 The cornea ulcerates or turns leucomatous, and in the end sight is entirely lost. 1899Allbutt's Syst. Med. VI. 321 At present we know very little about the injurious effects of leucomaines and ptomaines. |