Functions of Saliva

Saliva is a secretion of salivary glands. Contains maximum water content (99.5%) and 0.5% solids. Includes solid content like organic, inorganic and gases also. Various important functions which leads to many inconveniences if absent. A) Swallowing of food Moistening of food occurs when food is taken from mouth. Dissolving of food also assisted by saliva. … Read more

Skin: Structure and functions

Skin is the largest of all the organ of our body that is not uniformly thick. It is thick at some places and at some places it is thin. In average, the thickness of the skin is about 1 to 2 mm. Generally, the skin is thick in the sole of the foot, palm of … Read more

Normal Microbial Flora of the Oral Cavity

The oral cavity is one of a complex, heterogeneous microbial habitat. Saliva contains microbial nutrients, but it is not an especially good growth medium because the nutrients are present in low concentration. Also the saliva contains antimicrobial substances. Saliva contains an enzyme lysozyme that cleaves glycosidic linkages in peptidoglycan present in the bacterial cell wall, … Read more

Physico-chemical barriers of innate immunity

Physico-chemical barriers of innate immunity

Introduction Innate immunity is also known as native immunity. It is a resistance with which a person or lower animal is born and is non-specific. This type of immunity is present throughout our life. It may be of various types like species immunity, racial immunity or individual immunity. Various factors like age, hormones, nutrition, etc. … Read more

Salivary gland and its various types

Salivary gland and its various types

Introduction The tissue in our mouth that expels saliva is called salivary gland. Various glands are responsible for secretion of saliva into the oral cavity. But the salivary glands are mostly known by the three largest pairs: the parotid, submandibular, and sublingual glands. They are exocrine glands that produce saliva through a system of ducts. … Read more