pannus
/ˈpanəs
/noun [mass noun] Medicine
A condition in which a layer of vascular fibrous tissue extends over the surface of an organ or other specialized anatomical structure, especially the cornea.Joint destruction occurs with erosion of juxtaarticular bone around the margins of pannus and invasion of subchondral tissue by pannus....
- As the rheumatoid process progresses, inflammatory cells in the synovial fluid grow and form a mass known as pannus, which invades and destroys soft tissue, cartilage, and bone.
- The large pannus predisposes patients to fluid accumulation, creating an environment conducive to seroma formation, infection, and wound edge separation or dehiscence.
Origin
Late Middle English: perhaps from Latin, literally 'cloth'.