| ptyal- | The salivary glands, saliva. See: sialo-. Origin: G. Ptyalon (05 Mar 2000) |
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| ptyalagogue | 1. Promoting the flow of saliva. 2. An agent having this action (e.g., anticholinesterase agents). Synonym: ptyalagogue, sialogogue. Origin: sial-+ G. Agogos, drawing forth (05 Mar 2000) |
| ptyalectasis | Synonym: sialectasis. Origin: ptyal-+ G. Ektasis, a stretching out (05 Mar 2000) |
| ptyalin | <physiology> An unorganised amylolytic ferment, on enzyme, present in human mixed saliva and in the saliva of some animals. Origin: Gr. Spittle. See: Ptyalism. Source: Websters Dictionary (01 Mar 1998) |
| ptyalism | <clinical sign> The excessive flow of saliva. (13 Nov 1997) |
| ptyalocele | <medicine> A cyst formed under the tongue by obstruction of the duct of the submaxillary gland. Origin: L, a little frog, a little swelling on the tongue of cattle, dim. Of rana a frog. Source: Websters Dictionary (01 Mar 1998) |
| ptyalogogue | <medicine> A ptysmagogue. Origin: Gr. Spittle + driving. Source: Websters Dictionary (01 Mar 1998) |
| 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) |
| ptyalolith | A salivary calculus. Synonym: ptyalolith. Origin: sialo-+ G. Lithos, stone (05 Mar 2000) |
| ptyalolithiasis | The formation or presence of a salivary calculus. Synonym: ptyalolithiasis, salivolithiasis. Origin: sialolith + G. -iasis, condition (05 Mar 2000) |
| ptyalolithotomy | Incision of a salivary duct or gland to remove a calculus. Synonym: ptyalolithotomy. Origin: sialolith + G. Tome, incision (05 Mar 2000) |