名詞 erythema:

1. abnormal redness of the skin resulting from dilation of blood vessels (as in sunburn or inflammation)

er.y.the.ma

n.（名詞）
Redness of the skin caused by dilatation and congestion of the capillaries, often a sign of inflammation or infection.
紅斑：由毛細血管的膨脹和充血導致，通常是發(fā)炎或感染的信號

來源：
Greek eruthôma
希臘語 eruthôma
from eruthainein [to redden, be red]
源自 eruthainein [使變紅，紅、紅腫]
from eruthros [red] * see reudh-
源自 eruthros [紅的，紅腫的] *參見 reudh-

【引伸】
er.ythem.atous