Dictionary.com
definitions
  • synonyms

ptyalin

[tahy-uh-lin]
noun Biochemistry.
  1. an enzyme in the saliva that converts starch into dextrin and maltose.
Show More

Origin of ptyalin

1835–45; < Greek ptýal(on) spittle, saliva + -in2
Also called salivary amylase.

salivary amylase

noun
  1. ptyalin.
Show More
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for salivary amylase

ptyalin

noun
  1. biochem an amylase secreted in the saliva of man and other animals
Show More

Word Origin

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

salivary amylase in Medicine

ptyalin

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

salivary amylase in Science

ptyalin

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