noun
- An amylase secreted in saliva. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). ptyalin. Retrieved September 21, 2026, from http://smartdefine.org/ptyalin/definitions/1248065 |
| Chicago | WordNet. 2010. "ptyalin" http://smartdefine.org/ptyalin/definitions/1248065 (accessed September 21, 2026). |
| Harvard | WordNet 2010, ptyalin, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/ptyalin/definitions/1248065>. |
| MLA | WordNet. "ptyalin" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/ptyalin/definitions/1248065> |