Dysphagia : It is a difficulty in swallowing, most often associated with disease or disorder of the throat or oesophagus.
Dyspepsia : A form of indigestion often persistent, which may be due to irregular meal times and sometimes associated with anxiety and apprehension.
Constipation :It is a condition in which there is difficulty in emptying the bowels, usually associated with hardened faeces.
Chyme and chyle
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Chyme |
Chyle |
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1. It is the semifluid mass of partly digested food that is expelled by the stomach into the duodenum. It goes into duodenum. . |
1. is a milky bodily fluid consisting of lymph and emulsified fats, or free fatty acids (FFAs). It is formed in the small intestine during digestion of fatty foods, and taken up by lymph vessels specifically known as lacteals. |
Tongue : It is a freely movable muscular organ attached to the floor of the oral cavity. The tongue is covered with moist, pink tissue called mucosa. Tiny bumps called papillae give the tongue its rough texture. Thousands of taste buds cover the surfaces of the papillae. Taste buds are collections of nerve-like cells that connect to nerves running into the brain.
The tongue is is attached to the floor of the oral cavity by the frenum. Tongue is vital for chewing and swallowing food, as well as for speech.
Parts of tooth :
The tooth is divided into the following parts-:
1. Root : It is embedded in the socket of jaw bone.
2. Neck : It is embedded in gum.
3. Crown : It is the exposed part of tooth.
Fig. A section of a tooth
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