n. 溃疡, 腐烂物

[医] 溃疡

[ noun ]
a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue
<noun.state>

Ulcer \Ul"cer\, v. t.
To ulcerate. [R.] --Fuller.


Ulcer \Ul"cer\, n. [F. ulc[`e]re, L. ulcus, gen. ulceris, akin
to Gr. ?.]
1. (Med.) A solution of continuity in any of the soft parts
of the body, discharging purulent matter, found on a
surface, especially one of the natural surfaces of the
body, and originating generally in a constitutional
disorder; a sore discharging pus. It is distinguished from
an abscess, which has its beginning, at least, in the
depth of the tissues.

2. Fig.: Anything that festers and corrupts like an open
sore; a vice in character.

{Cold ulcer} (Med.), an ulcer on a finger or toe, due to
deficient circulation and nutrition. In such cases the
extremities are cold.