edema

Etymology

From New Latin edema, from Ancient Greek οἴδημα (oídēma, “swelling”), from οἰδέω (oidéō, “I swell”).

noun

1. (American spelling, pathology) An excessive accumulation of serum in tissue spaces or a body cavity.
   In the patients with myocardial edemas [247, 471] it was shown that, despite a considerable loss of fluid via the kidneys after the intravenous administration of a short-acting and very effective diuretic (furosemide), there was no increase in the blood and plasma viscosities. 1991, Albrecht M. Ehrly, Therapeutic Hemorheology, page 115
   In particular, changes in color and temperature, edemas, and ulcerations are noted. Palpation is applied as needed. In this chapter, only two skin and body surface changes will be discussed: peripheral edemas and ulcerations. 2002, Peter Lanzer, “26: Peripheral Vascular Disease”, in Peter Lanzer, Eric J. Topol, editors, Pan Vascular Medicine: Integrated Clinical Management, page 389
   Local lymph edemas can often be found on the inside of a looped graft. 2015, Hans Scholz, Arteriovenous Access Surgery: Ensuring Adequate Vascular Access for Hemodialysis, page 185
2. (American spelling, botany) A similar swelling in plants caused by excessive accumulation of water.