Disease or Syndrome
dacryocystitis
Subclass of:
Lacrimal Apparatus Diseases
Etymology:
Greek dakryon = a tear + kystos = a bladder or sac + -itis = inflammation
Definitions related to dacryocystitis:
  • Inflammation of the lacrimal sac. (Dorland, 27th ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Inflammation of the nasolacrimal sac.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • Dacryocystitis is infection of the lacrimal sac that sometimes leads to abscess formation. The usual cause is a staphyloccocal or streptococcal species, typically as a consequence of nasolacrimal duct obstruction.
    Merck Manuals
    Merck & Co., Inc., 2025
  • The lacrimal excretory system is prone to infection and inflammation for various reasons. This mucous membrane-lined tract is contiguous with 2 surfaces (conjunctival and nasal mucosal) that are normally colonized with bacteria.
    Medscape
    WebMD, 2025
  • Dacryocystitis, inflammation and infection of the lacrimal sac, usually stemming from obstruction of the flow of tears into the nose. Tears leave the eye through small openings called puncta in the inner corner of the eye and flow into the lacrimal, or tear, sac, from which they drain through a...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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