The exact cause of blood cancer is not known. Some types of blood cancer are due to spontaneous (not inherited) mutations in the genes that control production of specific types of blood cells. Immunocompromised people and people with autoimmune diseases have an increased risk of developing certain types of blood cancer.
The 1973 discovery of lingual lipase, which is secreted by lingual serous glands and hydrolyzes medium-and long-chain triglycerides in the stomach, has renewed interest in the gastric phase of fat digestion.he 1973 discovery of lingual lipase, which is secreted by lingual serous glands and hydrolyzes medium-and long-chain triglycerides in the stomach, has renewed interest in the gastric phase of fat digestion.
There are two types of salivary glands: 1  serous glands: These glands produce a secretion rich in water, electrolytes, and enzymes. 2  A great example of a serous oral gland is the parotid gland. 3  Mixed glands: These glands have both serous cells and mucous cells, and include sublingual and submandibular glands.n the oral cavity, salivary glands secrete an array of enzymes and substances that aid in digestion and also disinfection. They include the following: 1  lingual lipase: Lipid digestion initiates in the mouth. 2  Lingual lipase starts the digestion of the lipids/fats.