The mucous membrane–lined tube of the digestive system through which food passes, in which digestion takes place, and from which wastes are eliminated. It extends from the mouth to the anus and includes the pharynx, esophagus, stomach, and intestines.
The digestive tract of Patella offers some interesting features.
Formerly it was said that the head consisted of four the whole digestive tract may be ectodermal.
C, A young redia, the digestive tract shaded.
Accordingly, the teeth and the whole digestive tract are modified.
After absorption into the blood, the acetates are oxidized to carbonates, and therefore are remote alkalies, and are administered whenever it is desired to increase the alkalinity of the blood or to reduce the acidity of the urine, without exerting the disturbing influence of alkalies upon the digestive tract.