In this article we will discuss about the structure of salivary glands of human with its suitable diagram. Secretory unit of salivary gland is an acinus. There are two types of acini in the salivary glands namely serous and mucous type. Parotid gland is mostly made up of serous type, sublingual is predominantly mucous type, sub-mandibular is both, but more [...]
In this article we will discuss about the structure of gastric mucosa. The gastric mucosa is normally covered by a thick layer of mucous. Once this layer is removed, one can make out a number of pores known as gastric pits. Each pit is the out let for 3-7 gastric glands (Fig. 5.10). The gastric glands are tubular glands which [...]
Saliva is the first digestive juice to come in contact with food. Saliva is secreted by three major salivary glands namely: i. Parotid ii. Submandibular (sub-maxillary) iii. Sublingual. Apart from these, there are minor salivary glands in the floor of the mouth, pharynx, tongue and cheeks. Composition of Saliva: On an average, the rate of secretion of saliva is about [...]