noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Inflammation of many serosae (serous membranes), throughout the body, as a component of a systemic disease process, such as Kawasaki disease, MIS-C, or MIS-A (Multisystem Inflammatory Syndrome in Adults); thus, vasculitides, polyarthritides, and pericarditis are involved. uncountable

Etymology

From pan- + serositis or pan- + seros(ae) + -itis.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.