1. SYN: mucous cyst. 2. A retention cyst of the salivary gland, lacrimal sac, paranasal sinuses, appendix, gallbladder, or other site. [muco- + G. kele, tumor, hernia]
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mu·co·cele 'myü-kə-.sēl n a swelling like a sac that is due to distension of a hollow organ or cavity with mucus <a \mucocele of the appendix> specif a dilated lacrimal sac
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mu·co·cele (muґko-sēl) [muco- + -cele1] 1. dilatation of a cavity with accumulated mucous secretion. 2. mucus retention cyst. 3. mucus extravasation phenomenon.
Axial CT image showing a large mucocele of the ethmoidal and sphenoidal sinuses in a patient with allergic fungal rhinosinusitis.
Medical dictionary. 2011.