When the platelets bind to a clot, they release serotonin, where it serves as a vasoconstrictor and helps to regulate hemostasis and blood clotting. Serotonin also is a growth factor for some types of cells, which may give it a role in wound healing.erotonin's presence in insect venoms and plant spines serves to cause pain, which is a side-effect of serotonin injection. Serotonin is produced by pathogenic amoebae, and its effect on the gut causes diarrhea.
The salivary glands are made up of a number of different types of cells. The type of cancer you have is named after the type of cell the cancer started in. This means that your doctor will tell you which salivary gland your cancer started in â the parotid, submandibular, sublingual or minor salivary glands.
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.