Function of large Intestine | 3 Types Movements of intestine

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Function of large Intestine

Function of large Intestine and Biochemical Function of Intestine

After the small intestine, the large intestine starts, i.e. the small intestines remain attached to the large intestines. The large intestine is wider than the small intestine, it surrounds the small intestine in the abdomen.

Its length is about 5-6 feet. Its last diameter of one and a half or two inches is called ‘anus’, the end of which is at the anus. The 5 inch long portion above the anus is called ‘rectum’.

There are three parts of the large intestine

Ascending colon of the large intestine – where the small intestine joins it and this part comes down from the top, then turns and stays diagonally in the abdomen, which is called the transverse colon, then it turns downwards. And this part is called Descending Colon. 

The large intestine, however, does not have a specific support in digestion. Its main function is exploitation. The kosha inside it exploits the rasana out of the dietary juices and the malaise keeps going down. [Function of large Intestine] Like the small intestine, there is a worsening of retraction in the large intestine. Due to this stagnation (speed), the water part of the dietary juice ‘(Chyme) is exploited! 

3 Types Movements of intestine 

Function of large Intestine

  1. Peristalsis :- At this speed the food moves from top to bottom. In this, the waves of inhibition start from the top and go down. Every 3-4 minutes a hesitant wave runs causing Peristalsis.
  2. Segmentation Contraction :- This type of motion occurs 10 times in 1 minute. It is hesitant in one place and again in another place. At such a pace, the food does not move but gets mixed.  
  3. Pendulum Movement :- This also happens 10 times in 1 minute. It arises from the inhibition of the longitudinal muscles of the intestine. This causes food to move forward and sometimes backward

Function of large intestine 

Food moves very slowly in the large intestine. From here, the liquid portion of the food goes into the blood and the thick part (stool) moves towards the rectum, which passes out of the rectum into the anus.

There are many germs that cause rot in the large intestine, which create many types of harmful substances like ‘indole’ and ‘skatole’ etc., which cause stool in the stool. It is because of these that the stool smells in the stool.

The number of germs in the feces is very high. About 12800,00,00,00,000 bacteria come out with feces in a one-time bowel movement.

Biochemical Function of Intestine 

The intestinal glands of the colon secrete only mucus, there is no digestive enzyme in this mucosa, it is spread on the inner surface of the wall, this helps in excretion.

The colon contains many disruptive symbiotic bacteria that synthesize some vitamins and ferment those chime nutrients that cannot be digested or absorbed in the esophagus.

Thus, fermentation of carbohydrates residues in chime produces hydrogen, carbon dioxide (CO.) And methane gases. This condition is called smelly gaseous state i.e. flatus.  

Similarly, the amino acids present in chime dissolve these bacteria into fatty acids, hydrogen sulfide (H2S), CO2, and amines. Due to the formation of all these substances, [Function of large Intestine] we have a problem of sour belching and gas.

Amines are indoles and scatoles. The stool of stool is due to these. Bilirubin dyes of bile also decompose into simple dyes – stercobilin and urobilin. The brown color of the stool is due to these colors.

[Function of large Intestine]


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