anasarca vs. edema

noun

Pathology.
  1. a pronounced, generalized edema.

noun

Pathology.

plural

edemas, edemata 
  1. effusion of serous fluid into the interstices of cells in tissue spaces or into body cavities.

  2. Plant Pathology.

    1. a small surface swelling of plant parts, caused by excessive moisture.

    2. any disease so characterized.