saliva

When keratin interacts with the minerals found in saliva, it forms a coating that closely replicates the composition and protective function of natural enamel.

Exposure happens whenever saliva or tissue from a rabid bat enters the body through a scratch, bite or contact with a wound, mouth, nose or eyes, county officials said.

The virus can spread through bird droppings and saliva, as well as contaminated food and water, prompting concern among farmers and health authorities.

It then acts as a scaffold that captures calcium and phosphate ions from saliva.

My mother deemed it unsanitary, lamenting that those infamous basins of water were filled with saliva and oral germs galore.