ptyalin

[ tahy-uh-lin ]
/ ˈtaɪ ə lɪn /

noun Biochemistry.

an enzyme in the saliva that converts starch into dextrin and maltose.

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Also called salivary amylase.

Origin of ptyalin

1835–45; <Greek ptýal(on) spittle, saliva + -in2

Words nearby ptyalin

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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British Dictionary definitions for ptyalin

ptyalin
/ (ˈtaɪəlɪn) /

noun

biochem an amylase secreted in the saliva of man and other animals

Word Origin for ptyalin

C19: from Greek ptualon saliva, from ptuein to spit
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for ptyalin

ptyalin
[ tīə-lĭn ]

n.

An amylase present in saliva that catalyzes the hydrolysis of starch into maltose and dextrin.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for ptyalin

ptyalin
[ tīə-lĭn ]

An enzyme found in the saliva of humans and herbivorous animals that helps in the predigestion of starches. Ptyalin is a type of amylase.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.