Definition of ptyalin in English:

ptyalin

Syllabification: pty·a·lin
Pronunciation: /ˈtīələn
 
/

noun

Biochemistry
A form of amylase found in the saliva of humans and some other animals.
More example sentences
  • It begins in the mouth where the enzyme ptyalin, present in saliva, begins to break down starch in food to sugars.
  • The saliva of carnivora contains no ptyalin and cannot predigest starches; that of vegetarian animals contains ptyalin for the predigestion of starches.

Origin

mid 19th century: from Greek ptualon 'spittle' + -in1.

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Word of the day ween
Pronunciation: wiːn
verb
be of the opinion; think or suppose