更多ptyalin例句

1. Ptyalin, -e, tī′a-lin, n. the nitrogenous essential principle of saliva.
2. The action of ptyalin, however, continues in the fundus of the stomach until stopped by the acid in the gastric juice.
3. Here a similar action is caused by an enzyme called ptyalin.
4. The diastase of the malt has the same action on starch as the ptyalin in the saliva.
5. Amylopsin, the starch-digesting enzym, appears to be very similar to ptyalin in its power to digest carbohydrates.