Moistening saliva fed into the mouth from nearby glands starts the process of chemical digestion using specialized proteins called enzymes. Secreted at various points along the digestive tract ...

When the lobster is cooked, the digestive organs change color. "Tomalley, the digestive gland of a lobster, turns green when ...

esophagus and salivary glands. Cut across pectoral girdle and down both sides of breast muscle, across in front of cloaca. Lift and remove muscle. Remove tissue on neck to view esophagus. Be careful ...

In this Pavlovian picture, the nervous system controlled and coordinated the output of digestive glands, which also responded to different foodstuffs with specific secretions. Appetite had a ...

In heart urchins, like Echinocardium shown below, there is an additional caecum (ca) that contains digestive glands. For a detailed description of digestion and the digestive system in echinoids, see ...

Action of glands is inhibited - decrease in production of secretions Parasympathetic (rest and digest) Action of glands is stimulated - increase in production of secretions ...

gastric glands produce mucus to protect the stomach lining, hydrochloric acid for digestion and digestive enzymes such as pepsinogen. But this environment is harsh, with a low pH, frequent ...