Tag Archives | Digestive System

Structure of Gastric Mucosa | Digestive System

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 [...]

By |2016-11-06T04:09:53+00:00November 6, 2016|Digestive System|Comments Off on Structure of Gastric Mucosa | Digestive System

Salivary Secretion in Human Beings | Digestive System

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 [...]

By |2016-11-06T04:09:53+00:00November 6, 2016|Digestive System|Comments Off on Salivary Secretion in Human Beings | Digestive System

3 Important Stages of Swallowing | Digestive System

The following points highlight the three important stages of swallowing. The stages are: 1. Buccal or Oral Stage 2. Pharyngeal Stage 3. Esophageal Stage. 1. Buccal or Oral Stage: By the action of tongue, and muscles contracting against the palate, the food is converted into bolus which is lubricated by saliva. The bolus is then pushed by the tongue to [...]

By |2016-11-06T04:09:53+00:00November 6, 2016|Digestive System|Comments Off on 3 Important Stages of Swallowing | Digestive System
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