ecchymosis

/ek-uh-moh-sis/US // ˌɛk əˈmoʊ sɪs //UK // (ˌɛkɪˈməʊsɪs) //

瘀斑,瘀伤,瘀血,瘀血症

Definitions

n.名词 noun

1
plural ec·chy·mo·ses [ek-uh-moh-seez]. /ˌɛk əˈmoʊ siz/. Pathology.
- : a discoloration due to extravasation of blood, as in a bruise.

Thus, with the hæmorrhage we get ecchymosis, and consequent red staining of the surrounding structures.
Occasionally the os planum is perforated, resulting in emphysema of the eyelids or an ecchymosis like a ‘black eye’.
The sub-conjunctival ecchymosis, however, persists for several weeks and disappears like other extravasations.
The black-fly, Simulium venustum, inflicts a painless bite, with ecchymosis and hmorrhage at the site of puncture.
Ocular ecchymosis occurs in a small proportion of cases, especially of the graver types.