| ptyalography | <investigation, radiology> An X-ray study of the salivary ducts. A contrast material is injected into the salivary duct (within the mouth) to highlight the coarse and calibre of the ducts. This test is used to detect a stricture or blockage (for example stones, tumour) of the salivary ducts. (27 Sep 1997) |
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| ptyalography |
sialography.
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