The effect of alcohol on the rate of parotid secretion.

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Abstract
To measure the secretion a small disk was fastened by suction over the mouth of Stenson''s duct. From the inner part of this disk a small drainage tube passed through the corner of the mouth carrying the secretion to a device capable of measuring it in hundredths of a c.c. Before the alcohol was ingested the normal rate of secretion was measured for 15 min. Physical activity causd an increase in the rate of normal secretion; hence it was necessary for the subjects to remain quiet for 15 min. before the flow subsided to its normal rate. This rate served as a control flow. The dosage of alcohol was then consumed within a 1-min. period and the rate of secretion was recorded at the end of every 5-min. period for 2 hrs. The findings show that alcohol may be classed as a stimulant to secretion only when in actual contact with the end organs in the walls of the digestive tract. Once the alcohol passes into the blood its action is definitely inhibitory. The period of greatest inhibition comes between 45 and 90 min. after ingestion of the beverage.

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