1.  a power. presentation from T. MADHAVAN, & K. CHANDRASEKARAN., Lecturers in Zoology.  this session optimized for XI std An Illustration for the students who aspire for medical studies.

2.  a power. presentation from T. MADHAVAN, & K. CHANDRASEKARAN., Lecturers in Zoology.  this session optimized for XI std An Illustration for the students who aspire for medical studies. Bacterial Diseases Diphtheria – Cornye bacterium diphtheriae. Whooping cough – Bordetella pertusis. Cholera – Vibrio cholera. Typhoid fever– Salmonella typhi. Leprosy – Mycobacterium leprae. Tuberculosis – Mycobacterium tuberculosis. Plague – Yersinia pestis. Syphilis – Treponema pallidium. Gonorrhoea – Neisseria gonorrhoea.

3.  a power. presentation from T. MADHAVAN, & K. CHANDRASEKARAN., Lecturers in Zoology.  this session optimized for XI std An Illustration for the students who aspire for medical studies. Bacterial Diseases Salmonella are pathogenic bacilli which cause three kinds of infection to humans. They are  enteric fever  enteric fever (typhoid or para typhoid),  gastroenteritis  gastroenteritis and  septicemia.

4.  a power. presentation from T. MADHAVAN, & K. CHANDRASEKARAN., Lecturers in Zoology.  this session optimized for XI std An Illustration for the students who aspire for medical studies. TYPHOID Typhoid fever is caused by Salmonella typhi. caused due to contamination of food and water. caused due to contamination of food and water. Typhoid is characterized by a continued fever, a continued fever, inflammation of the intestine, inflammation of the intestine, formation of intestinal ulcers and formation of intestinal ulcers and enlargement of the spleen. enlargement of the spleen.

5.  a power. presentation from T. MADHAVAN, & K. CHANDRASEKARAN., Lecturers in Zoology.  this session optimized for XI std An Illustration for the students who aspire for medical studies. Gastroenteritis It is caused by Salmonella choleraesuis. It is caused by Salmonella choleraesuis. The bacteria reaches the blood stream from the intestinal tract where it multiplies. The bacteria reaches the blood stream from the intestinal tract where it multiplies. It causes high fever, chillness, loss of appetite and weight loss. It causes high fever, chillness, loss of appetite and weight loss. When the bacteria infect the organs from blood they can cause meningitis, pneumonia, nephritis, osteomyelitis, endocarditis etc. When the bacteria infect the organs from blood they can cause meningitis, pneumonia, nephritis, osteomyelitis, endocarditis etc.

6.  a power. presentation from T. MADHAVAN, & K. CHANDRASEKARAN., Lecturers in Zoology.  this session optimized for XI std An Illustration for the students who aspire for medical studies. CHOLERA Cholera is caused by vibrio cholera. It is transmitted in human being by contamination of food and water. This bacteria attaches in the epithelium of small intestine, where multiply and produce the enterotoxin. Symptoms : vomiting, Profuse diarrhoeal stool, severe dehydration, loss of minerals, increased blood acidity and haemo concentration.

7.  a power. presentation from T. MADHAVAN, & K. CHANDRASEKARAN., Lecturers in Zoology.  this session optimized for XI std An Illustration for the students who aspire for medical studies. Plague Plague is caused by Yersinia pestis. There are two types of plague. They are bubonic plague and pneumonia plague. Bubonic plague is characterized by enlarged and inflammed lymph glands. The symptoms are chills, fever, nausea, vomiting and general weakness. Pneumonia plague is a pneumonia characterized by a their watery sputum with blood.

8.  a power. presentation from T. MADHAVAN, & K. CHANDRASEKARAN., Lecturers in Zoology.  this session optimized for XI std An Illustration for the students who aspire for medical studies. Syphilis The syphilis disease is a sexually transmitted disease ( STD ). The syphilis disease is a sexually transmitted disease ( STD ). It is caused by Treponema pallidium. It is caused by Treponema pallidium. This disease is transmitted through direct sexual contact or through placenta from an infected mother to the foetus. This disease is transmitted through direct sexual contact or through placenta from an infected mother to the foetus.

9.  a power. presentation from T. MADHAVAN, & K. CHANDRASEKARAN., Lecturers in Zoology.  this session optimized for XI std An Illustration for the students who aspire for medical studies. The chrononic condition of this disease leads to blindness, loss of hearing, brain damage, insomnia, head ache, delusions, spinal cord damage, disfiguring granulomatous lesions called gummas or with in various parts of the body. Syphilis

10.  a power. presentation from T. MADHAVAN, & K. CHANDRASEKARAN., Lecturers in Zoology.  this session optimized for XI std An Illustration for the students who aspire for medical studies. Gonorrhoea Gonorrhoea is another sexually transmitted disease caused by Neisseria Gonorrhoea. In the males the primary site of infection is the uretheraand in the female it is the cervix In the males the primary site of infection is the uretheraand in the female it is the cervix It causes pain during urination and a yellowish discharge from the urethera of male or vagina of female. It causes pain during urination and a yellowish discharge from the urethera of male or vagina of female. Other symptoms are fever, abdominal pain, arthritis,meningitis etc. Other symptoms are fever, abdominal pain, arthritis,meningitis etc.

11.  a power. presentation from T. MADHAVAN, & K. CHANDRASEKARAN., Lecturers in Zoology.  this session optimized for XI std An Illustration for the students who aspire for medical studies. END