â¢ SILICA (noun). The noun SILICA has 1 sense: 1. a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechartelierite.Familiarity information: SILICA used as a noun is very rare.Dictionary entry details.ristobalite (a white mineral consisting of silica; found in volcanic rocks). lechartelierite (a mineral form of vitreous or glassy silica; formed by the melting of quartz sand (as by lightning or a meteorite)).
Besides these glands, there are many tiny glands called minor salivary glands located in your lips, inner cheek area (buccal mucosa), and extensively in other linings of your mouth and throat. Salivary glands produce the saliva used to moisten your mouth, initiate digestion, and help protect your teeth from decay.
The parotid gland is a salivary gland, responsible for making saliva. There are two parotid glands, one on each side of the face. They are located in front of the ears and extend to the lower borders of the jawbones. The glands secrete thin saliva which travels into the mouth to aid in chewing and digesting food.he parotid gland is a salivary gland, responsible for making saliva. There are two parotid glands, one on each side of the face. They are located in front of the ears and extend to the lower borders of the jawbones. The glands secrete thin saliva which travels into the mouth to aid in chewing and digesting food.