Saliva cells

Saliva is the secretion of the parotid, submandibular, sublingual, and small salivary glands. Its secretion is regulated by neural reflexes. Saliva contains more than 99% of water; solid content accounts for about 0.7%, of which organic matter accounts for about 0.5%, inorganic matter accounts for about 0.2%, in addition, there are a small amount of white blood cells, epithelial cells (from the oral mucosa and salivary glands), and trace food And microorganisms in the mouth. Sputum saliva smears for cytology can help diagnose inflammation and tumors.