Bile is essential for life. Although it does not contain any enzyme, yet, it acts as a very important digestive juice. Its importance is so much that, life cannot be maintained without it. If a cannula is inserted in the common bile duct and all bile is collected outside, it is seen that the dog develops various abnormalities of bone, [...]
In this article we will discuss about the structure of oesophagus with the help of a suitable diagram. The mucous membrane of it consists of stratified squamous epithelium. Just under the mucous membrane, there is another very thin layer of plain muscle, called museularis mucosae. Then comes the inconspicuous submucous coat. It consists of collagenous and elastic fibres. Together with [...]
In this article we will discuss about the anatomical structure of human tongue with the help of suitable diagrams. Tongue (Fig. 9.5) is made up of three elements; epithelium, muscles and glands. The epithelium is stratified and non-cornified. Two types of special structures are seen on it; the papillae (Fig. 9.6) and the taste buds. The taste buds (Fig. 9.7) [...]