The changes in the cytoplasmic components of the, cells of the alimentary tract during fasting and after feeding have been described for several animals of widely separated groups, but, so far as I am ...

Endocrine glands secrete hormones into the bloodstream, while exocrine glands secrete substances, such as sweat or enzymes, into organs or onto the surface of the body. The two main types of glands in ...

The study of the digestive physiology and diet of octopus species has provided significant insights into the complex interplay between enzyme activity, nutrient assimilation and overall metabolic ...