Edema:

• Edema is a condition characterized by excessive accumulation of fluid in interstitial tissue spaces or body cavities.
• It may occurs as localized or generalized disorder. Generalized edema with severe form causing swelling of subcutaneous tissue is known as Anasarca.
• Edema may be inflammatory or non-inflammatory in origin.

Terms used in Edema in different body cavities:

• Hydroperitoneum: Accumulation of fluid in peritoneal cavity, generally known as ascites.
• yHydHHydrothorax: Accumulation of fluid in thoracic cavity
• Hydropericardium or pericardial effusion: Accumulation of fluid in pericardial sac
• Hydrocephalus: Accumulation of fluid in ventricles of brain
• Hydrocele: Local accumulation of fluid in tunica vaginalis of testicles.