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.
The parotid glands are a pair of major salivary glands wrapped around the mandibular ramus in humans. The largest of the salivary glands, they secrete saliva to facilitate mastication and swallowing and to begin the digestion of starches. It is the serous type of gland which secretes the ptyalin.It enters the oral cavity via the parotid duct or Stensen duct.he largest of the salivary glands, they secrete saliva to facilitate mastication and swallowing and to begin the digestion of starches. It is the serous type of gland which secretes the ptyalin. It enters the oral cavity via the parotid duct or Stensen duct.