| hemorrhage | <physiology> The escape of blood from the vessels, bleeding. Small haemorrhages are classified according to size as petechiae (very small), purpura (up to 1 cm) and ecchymoses (larger). The massive accumulation of blood within a tissue is called a haematoma. Origin: Gr. Rhegnynai = to burst forth (18 Nov 1997) |
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| subretinal | 1. Between the sensory retina and the retinal pigment epithelium. 2. Between the retinal pigment epithelium and the choroid. (05 Mar 2000) |