Disorders related to nutrition and digestive system, Biology

Assignment Help:

DISORDER RELATED TO NUTRITION AND DIGESTIVE SYSTEM

Malnutrition

Malnutrition is improper intake of food. Malnutrion covers both undernutrition and overnutrition.

Undernutrition

Undernutrition is insufficient intake of nutrients. Marasmus and Kwashiorker are diseases of undernutrition.

Marasmus disease

Marasmus disease occurs due to deficiency of carbohydrates and proteins in diet.

In Marasmus disease body becomes thin, swin is wrinkled, diarrhoea occurs and growth is retarded.

Kwashiorkar Disease

Kwashiorkar disease is due to protein deficiency.

In kwashiorkar disease wasting to muscles, thin limbs, oedema, diarrhoea and brain retardation occurs.

Obesity

Obesity is due to taking more calories then the expenditure the body.

Extra calories are deposited in the form of a layer of fat in subcutaneous tissue.

Diarrhoea

Diarrhoea is frequent defecation.

During diarrhoea faeces is loose and fluid like.

Diarrhoea may be due to viral or bacterial or protozoan infection.

Sometimes diarrhoea occurs due to mental tension.

Due to irritation of wall of colon, peristalsis increases causing frequent defecation.

Constipation

Constipation occurs due to taking fewer fibres in diet and drinking little water.

Due to deficiency of fibres in diet, peristalsis becomes slow and faeces remains in the alimentary canal for a longer duration.

Due to longer duration of faeces in the alimentary canal more water is reabsorbed and faeces becomes very dry and hard.

During constipation defecation is difficult and painful.

Hyperacidity

Hyperacidity is excessive secretion of HCl in stomach.

Hyperacidity occurs due to excessive use of spicy food, taking certain medicines as aspirin on empty stomach, excessive use of alcohol, emotional disturbance etc.

During hyperacidity burning sensation occurs in the stomach.

Sometimes feeling of excessive pain occurs and it is popularly known as "heart bum".

Ulcers

Continuous hyperacidity may lead to ulcer formation.

Ulcers present in stomach are called peptic ulcers or gastric ulcers.

Ulcers present in duodenum are called duodenal ulcers.

Jaundice

Jaundice is yellowing of skin, eye balls and excretion of dark yellow urine.

Jaundice occurs due to non functioning of liver.

Non-functioning of liver causes accumulation of bilirubin in the blood.

Function of the liver may be affected due to viral or bacterial infection or obstruction of bile duct.

Excessive destruction of RBCs can also cause jaundice, it is called hemolytic jaundice.

Hepatitis

Hepatitis is inflammation of liver.

Most common cause of inflammation of liver is infection by hepatitis virus.

Hepatitis A, Hepatitis B and Hepatitis C are due to infection by different strains of viruses.

Jaundice is one symptom of hepatits.

Colitis

Colitis is inflammation of colon and rectum.

Colitis occurs due to irritation of colon and rectum.

Sometimes infection of virus or protozoans such as Entaamoeba histolytica also causes colitis.

During colitis desire for frequent defecation occurs.

Faeces is loose and mixed with blood in colitis.

Appendicitis

Appendicitis is inflammation of vermiform appendix.

Surgical removal of appendix is called appendectomy.

Tonsillitis

Tonsillitis is inflammation of palatine tonsils due to infection of bacteria.

Most common bacteria causing tonsillitis are Streptococcus aurae.

In case of repeated infection, tonsils are surgically removed.

Surgical removal of tonsils is - Tonsilectomy.

Mumps

Mumps is viral infection of parotid salivary glands.

Salivary glands are inflamed and swelling occurs behind the ears.

Nausea

Nausea is feeling of vomiting.

Nausea occurs due to irritation of gastro intestinal tract.

Vomiting

Vomiting occurs due to reverse peristalsis.

Reverse peristalsis occurs due to irritation of gastro intestinal tract either by bacteria or virus or some food.

Vomiting also occurs due to disturbance of semicircular canals.

Flatulence

Due to indigestion or some foods more gas is produced in gastrointestinal tract.

The gas of gastrointestinal tract comes out through anus with sound.

Gall Stones

Small stones formed in the gall bladder are called gall stones.

Gall stones are formed due to fusion of cholesterol with bile.


Related Discussions:- Disorders related to nutrition and digestive system

In which part of the digestive tube is water is absorbed, Q. In which part ...

Q. In which part of the digestive tube is water is chiefly absorbed? What about the mineral ions and vitamins? Most part of water, mineral and vitamins ions are absorbed by the

Germ line gene therapy, Germ line gene therapy - This approach either targ...

Germ line gene therapy - This approach either targets to correct the totipotent cells within human conceptus or stimulate the genetic modifications within reproductive cells that

Brain, why left brain controls right side of the body and right brain contr...

why left brain controls right side of the body and right brain controls left side of the body....?????

Blood group, when the father and the mother of a newborn baby possesses blo...

when the father and the mother of a newborn baby possesses blood group ''O'' +ve,is it possible that the baby can have a blood group ''A'' +ve or ''B''+ve ? Conventionally it shoul

Food and digestion, what is the pH inside the stomach?Why is there a need t...

what is the pH inside the stomach?Why is there a need to keep that pH level? How is it maintained?

Tissue culture, Tissue Culture It is an important technique for maintai...

Tissue Culture It is an important technique for maintaining a'pm or piece of animal or plant tissue alive after their culture dishes. It is necessary to provide an environment

How the type of sport influence protein requirements, How the type of Sport...

How the type of Sport influence protein requirements? The type of sport and total calorie intakes influence protein requirements. Eating sufficient foods to meet high energy re

Explain nephrotoxicity, Explain Nephrotoxicity Nephrotoxicity is the ma...

Explain Nephrotoxicity Nephrotoxicity is the major dose-limiting toxicity of amphotericin B deoxycholate; sodium loading with  normal saline may prevent or ameliorate it and is

Explain about the weight cycling - energy balance, Explain about the Weight...

Explain about the Weight cycling - energy balance? There are a number of obese people who keep losing and gaining weight a number of times in their lives. This is called the Yo

Is this refers to the mn and abo loci mentioned in class, This problem refe...

This problem refers to the MN and ABO loci mentioned in class. It also refers to the Rh locus, which is responsible for the positive/negative part of the blood type. The Rh+ allele

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd