Search results
Results from the WOW.Com Content Network
Saliva on a baby's lips. Saliva (commonly referred to as spit or drool) is an extracellular fluid produced and secreted by salivary glands in the mouth.In humans, saliva is around 99% water, plus electrolytes, mucus, white blood cells, epithelial cells (from which DNA can be extracted), enzymes (such as lingual lipase and amylase), and antimicrobial agents (such as secretory IgA, and lysozymes).
Secretion: Saliva is the primary secretion of the oral mucosa. It has many functions including lubrication, pH buffering and immunity. The lubricating and antimicrobial functions of saliva are maintained mainly by resting; saliva results in a flushing effect and the clearance of oral debris and noxious agents.
The best way to smell your own breath is to lick the back of your hand and wait a few seconds or until the saliva dries. “Then smell it, and that’s how your mouth smells,” says Hoss ...
A sialolithiasis is a salivary stone that may cause blockage of the ducts, most commonly the submandibular ducts, causing pain and swelling of the gland. [ 33 ] Salivary gland dysfunction is either a reduced ( hyposalivation ), or an increased ( hypersalivation ) production of saliva.
Salivary gland dysfunction affects the flow, amount, or quality of saliva produced. A reduced salivation is termed hyposalivation.Hyposalivation often results in a dry mouth condition called xerostomia, and this can cause tooth decay due to the loss of the protective properties of saliva.
Saliva consists of mucus and serous fluid; the serous fluid contains the enzyme amylase, which is important for the digestion of carbohydrates. Minor salivary glands of von Ebner present on the tongue secrete the lipase. The parotid gland produces purely serous saliva. The other major salivary glands produce mixed (serous and mucus) saliva.
But when you sneeze, you expel air and change up that flow, forcing odorous particles in your nose or throat upward to the olfactory nerve high in the nasal cavity, which transmits information ...
Bad breath, also known as halitosis, is a symptom in which a noticeably unpleasant breath odour is present. [1] It can result in anxiety among those affected. [1] It is also associated with depression and symptoms of obsessive compulsive disorder.