Dictionary » E » Ecchymosis

Ecchymosis

Definition

noun, plural: ecchymoses

(1) An effusion of blood underneath the skin due to ruptured blood vessel.

(2) A haemorrhagic spot in the skin (or mucous membrane) that is flat, rounded or irregular, and bluish or purplish in colour, caused by extravasation of blood.


Supplement

Ecchymosis is larger in size than a petechia and has a more diffuse border than purpura. It is caused by an escape of blood from the damaged blood vessel into the tissues.


Word origin: Word origin: Greek ek + chymos (juice) + osis

Related forms: ecchymose (verb), ecchymotic (adjective)

Compare: petechia

Related term: Orbital ecchymoses


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified 11:57, 23 September 2009. This page has been accessed 8,726 times. 
What links here | Related changes | Permanent link