SlideShare a Scribd company logo
1 of 36
By Dr. Shamanthakamani  Narendran Immune System
THE MECHANISMS OF DEFENSE ,[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object]
Host Defenses Complement system Leuco/ Lymph   Macro phage
Allergy Autoimmunity Rejection of organ transplant An immune cell undergoing an allergic reaction   Protects against infectious agents
[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
Themectomy TT given 1.  Thymosin fraction V  (Calf thymus) 2.  Synthetic polypeptides Thymus
Ontogeny of Immune System Fetus T cells Functions at 7- 1/2  wks Thymus functions at 12 wks B cells Functions at 13 wks IgM First to develop.  Rises in intrauterine infection Reaches adult levels by 1 yr IgG Develops at 4 years IgA At adolescence
T cell subpopulation Helper cells (IgA & IgG) Suppressor (Homeostasis) Killer cells  (Kills invading organisms) B cell subpopulation IgM,  IgG, IgA, IgD, & IgE Hay fever, Asthma, Autoimmune disorder  (Hemolytic anemia)
[object Object],[object Object],[object Object]
Eosinophil  Neutrophil
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Lymphoid Precursor Cells Liver Bone marrow
Differentiation of lymphoid stem cells T cells   (associated with thymus) B cells  (associated with bone marrow)
Peripheral Lymphoid organs Spleen GI tract tissue
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
THE ALLERGIC RESPONSE allergen IgE release of histamine ALLERGIC REACTION Mast cell
PSYCHONEUROIMMUNOLOGY (BRAIN + IMMUNE SYSTEM) ,[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
PSYCHONEUROIMMUNOLOGY (BRAIN + IMMUNE SYSTEM) killer cells sudden stress increased killer cells reduced killer cells repeated stress
Diseases due to Immunologic deficiency Primary Secondary
AIDS Acquired immunodeficiency syndrome Pathophysiology Clinical diagnosis Treatment Prevention HIV, the virus that causes AIDS, is shown budding out of a human immune cell.
HIV Treating HIV infected woman during pregnancy Natural history of HIV infection Transmission Signs and symptoms of AIDS in new born How does pediatric AIDS differ from adult AIDS Management & Specific retroviral therapies AZT (3’ Azido, 2’ 3’ deoxythymdine) DDI (2’ 3’ Dideoxyinosine) Immunotherapy (Hyposensitization)
 
 
 

More Related Content

What's hot

introduction to Immunology 1st and 2nd lecture
introduction to Immunology 1st and 2nd lectureintroduction to Immunology 1st and 2nd lecture
introduction to Immunology 1st and 2nd lecturethe university of lahore
 
Vip immunity to infections
Vip immunity to infectionsVip immunity to infections
Vip immunity to infectionsBruno Mmassy
 
The immune system final
The immune system finalThe immune system final
The immune system finalrharrison545
 
Introduction to immunology
Introduction to immunologyIntroduction to immunology
Introduction to immunologyDr Alok Tripathi
 
The Immune System
The Immune SystemThe Immune System
The Immune Systemitutor
 
Difference between innate and adaptive immunity
Difference between innate and adaptive immunityDifference between innate and adaptive immunity
Difference between innate and adaptive immunitykamilKhan63
 
3rd Line Of Defense
3rd Line Of Defense3rd Line Of Defense
3rd Line Of DefenseMarx Endico
 
ACQUIRED IMMUNITY.pdf
ACQUIRED IMMUNITY.pdfACQUIRED IMMUNITY.pdf
ACQUIRED IMMUNITY.pdfakshyhari
 
Diseases of the Immune System
Diseases of the Immune SystemDiseases of the Immune System
Diseases of the Immune SystemGhie Santos
 
Mechanisms Of Defense Immune System.ppt
Mechanisms Of Defense Immune System.pptMechanisms Of Defense Immune System.ppt
Mechanisms Of Defense Immune System.pptShama
 
Ch. 11, Immunology Basics - Microbiology
Ch. 11, Immunology Basics - MicrobiologyCh. 11, Immunology Basics - Microbiology
Ch. 11, Immunology Basics - MicrobiologyCU Dentistry 2019
 
Immunology "Adaptive Immunity"
Immunology "Adaptive Immunity"Immunology "Adaptive Immunity"
Immunology "Adaptive Immunity"Vipul Patil
 
Immune response
Immune responseImmune response
Immune responseraghunathp
 
Medical Microbiology - Immunology
Medical Microbiology - ImmunologyMedical Microbiology - Immunology
Medical Microbiology - ImmunologySijo A
 

What's hot (20)

Overview of immune response
Overview of immune responseOverview of immune response
Overview of immune response
 
Introduction to Immunology
Introduction to ImmunologyIntroduction to Immunology
Introduction to Immunology
 
introduction to Immunology 1st and 2nd lecture
introduction to Immunology 1st and 2nd lectureintroduction to Immunology 1st and 2nd lecture
introduction to Immunology 1st and 2nd lecture
 
Immunity
Immunity Immunity
Immunity
 
Vip immunity to infections
Vip immunity to infectionsVip immunity to infections
Vip immunity to infections
 
Adaptive immunity
Adaptive immunityAdaptive immunity
Adaptive immunity
 
The immune system final
The immune system finalThe immune system final
The immune system final
 
Introduction to immunology
Introduction to immunologyIntroduction to immunology
Introduction to immunology
 
The Immune System
The Immune SystemThe Immune System
The Immune System
 
Difference between innate and adaptive immunity
Difference between innate and adaptive immunityDifference between innate and adaptive immunity
Difference between innate and adaptive immunity
 
Immunity
ImmunityImmunity
Immunity
 
3rd Line Of Defense
3rd Line Of Defense3rd Line Of Defense
3rd Line Of Defense
 
Innate immunity
Innate immunityInnate immunity
Innate immunity
 
ACQUIRED IMMUNITY.pdf
ACQUIRED IMMUNITY.pdfACQUIRED IMMUNITY.pdf
ACQUIRED IMMUNITY.pdf
 
Diseases of the Immune System
Diseases of the Immune SystemDiseases of the Immune System
Diseases of the Immune System
 
Mechanisms Of Defense Immune System.ppt
Mechanisms Of Defense Immune System.pptMechanisms Of Defense Immune System.ppt
Mechanisms Of Defense Immune System.ppt
 
Ch. 11, Immunology Basics - Microbiology
Ch. 11, Immunology Basics - MicrobiologyCh. 11, Immunology Basics - Microbiology
Ch. 11, Immunology Basics - Microbiology
 
Immunology "Adaptive Immunity"
Immunology "Adaptive Immunity"Immunology "Adaptive Immunity"
Immunology "Adaptive Immunity"
 
Immune response
Immune responseImmune response
Immune response
 
Medical Microbiology - Immunology
Medical Microbiology - ImmunologyMedical Microbiology - Immunology
Medical Microbiology - Immunology
 

Viewers also liked

Body defense mechanism and immunity
Body defense mechanism and immunityBody defense mechanism and immunity
Body defense mechanism and immunityShrooti Shah
 
Body Defense Mechanism
Body Defense MechanismBody Defense Mechanism
Body Defense MechanismNavid J. Ayon
 
BIOLOGY FORM 5 CHAPTER 1 - 1.5 BODY DEFENCE MECHANISM
BIOLOGY FORM 5 CHAPTER 1 - 1.5 BODY DEFENCE MECHANISMBIOLOGY FORM 5 CHAPTER 1 - 1.5 BODY DEFENCE MECHANISM
BIOLOGY FORM 5 CHAPTER 1 - 1.5 BODY DEFENCE MECHANISMNirmala Josephine
 
The immune system
The immune systemThe immune system
The immune systemChy Yong
 
Cells and organs of the immune system
Cells and organs of the immune systemCells and organs of the immune system
Cells and organs of the immune systemRashmimali
 
Structure and functions of immune system
Structure and functions of immune systemStructure and functions of immune system
Structure and functions of immune systemRajkumar Narasinghan
 
Defence mechanisms
Defence mechanismsDefence mechanisms
Defence mechanismsAju Jose
 
Hypersensitivity reactions lecture notes
Hypersensitivity reactions lecture notesHypersensitivity reactions lecture notes
Hypersensitivity reactions lecture notesBruno Mmassy
 
Health And Diseases
Health And DiseasesHealth And Diseases
Health And DiseasesUjas Patel
 
BIOLOGY FORM 5 CHAPTER 1: 1.4 THE LYMPHATIC SYSTEM
BIOLOGY FORM 5 CHAPTER 1: 1.4  THE LYMPHATIC SYSTEMBIOLOGY FORM 5 CHAPTER 1: 1.4  THE LYMPHATIC SYSTEM
BIOLOGY FORM 5 CHAPTER 1: 1.4 THE LYMPHATIC SYSTEMNirmala Josephine
 
Concept of health and disease
Concept of health and diseaseConcept of health and disease
Concept of health and diseaseNc Das
 
Vaccination ppt
Vaccination pptVaccination ppt
Vaccination pptali7070
 
Active Defense and Predator Specialization
Active Defense and Predator SpecializationActive Defense and Predator Specialization
Active Defense and Predator SpecializationNick
 
Cells of immune response
Cells of immune responseCells of immune response
Cells of immune responseEsraa Gamal
 

Viewers also liked (20)

Body defense mechanism and immunity
Body defense mechanism and immunityBody defense mechanism and immunity
Body defense mechanism and immunity
 
Body Defense Mechanism
Body Defense MechanismBody Defense Mechanism
Body Defense Mechanism
 
Immune system
Immune systemImmune system
Immune system
 
BIOLOGY FORM 5 CHAPTER 1 - 1.5 BODY DEFENCE MECHANISM
BIOLOGY FORM 5 CHAPTER 1 - 1.5 BODY DEFENCE MECHANISMBIOLOGY FORM 5 CHAPTER 1 - 1.5 BODY DEFENCE MECHANISM
BIOLOGY FORM 5 CHAPTER 1 - 1.5 BODY DEFENCE MECHANISM
 
The immune system
The immune systemThe immune system
The immune system
 
Cells and organs of the immune system
Cells and organs of the immune systemCells and organs of the immune system
Cells and organs of the immune system
 
Basic Immunology
Basic ImmunologyBasic Immunology
Basic Immunology
 
15 common defense mechanisms
15 common defense mechanisms15 common defense mechanisms
15 common defense mechanisms
 
Structure and functions of immune system
Structure and functions of immune systemStructure and functions of immune system
Structure and functions of immune system
 
Defence mechanisms
Defence mechanismsDefence mechanisms
Defence mechanisms
 
What is Defense Mechanism?
What is Defense Mechanism?What is Defense Mechanism?
What is Defense Mechanism?
 
Hypersensitivity reactions lecture notes
Hypersensitivity reactions lecture notesHypersensitivity reactions lecture notes
Hypersensitivity reactions lecture notes
 
Health And Diseases
Health And DiseasesHealth And Diseases
Health And Diseases
 
Classification of Immunity
Classification of ImmunityClassification of Immunity
Classification of Immunity
 
Basic immunology
Basic immunologyBasic immunology
Basic immunology
 
BIOLOGY FORM 5 CHAPTER 1: 1.4 THE LYMPHATIC SYSTEM
BIOLOGY FORM 5 CHAPTER 1: 1.4  THE LYMPHATIC SYSTEMBIOLOGY FORM 5 CHAPTER 1: 1.4  THE LYMPHATIC SYSTEM
BIOLOGY FORM 5 CHAPTER 1: 1.4 THE LYMPHATIC SYSTEM
 
Concept of health and disease
Concept of health and diseaseConcept of health and disease
Concept of health and disease
 
Vaccination ppt
Vaccination pptVaccination ppt
Vaccination ppt
 
Active Defense and Predator Specialization
Active Defense and Predator SpecializationActive Defense and Predator Specialization
Active Defense and Predator Specialization
 
Cells of immune response
Cells of immune responseCells of immune response
Cells of immune response
 

Similar to 12 Mechanisms of defense - Immune System.ppt

Similar to 12 Mechanisms of defense - Immune System.ppt (20)

Unit 5 Immune System
Unit 5 Immune SystemUnit 5 Immune System
Unit 5 Immune System
 
Immunity gihs
Immunity  gihsImmunity  gihs
Immunity gihs
 
The Immune System
The Immune SystemThe Immune System
The Immune System
 
Immunity
ImmunityImmunity
Immunity
 
Immune responses
Immune responsesImmune responses
Immune responses
 
Human health & diseases L05
Human health & diseases L05Human health & diseases L05
Human health & diseases L05
 
Functional organization of the Immune System
Functional organization of the Immune SystemFunctional organization of the Immune System
Functional organization of the Immune System
 
Immunity lecture
Immunity lectureImmunity lecture
Immunity lecture
 
How our immune system works
How our immune system worksHow our immune system works
How our immune system works
 
B10vrv8352
B10vrv8352B10vrv8352
B10vrv8352
 
Life sciences lesson2
Life sciences lesson2Life sciences lesson2
Life sciences lesson2
 
primary immuno deficiency.pptx
primary immuno deficiency.pptxprimary immuno deficiency.pptx
primary immuno deficiency.pptx
 
IMMUNE SYSTEM
IMMUNE SYSTEM IMMUNE SYSTEM
IMMUNE SYSTEM
 
Immune System
Immune SystemImmune System
Immune System
 
Immune system
Immune systemImmune system
Immune system
 
immunology and microbiology topics notes
immunology  and microbiology topics notesimmunology  and microbiology topics notes
immunology and microbiology topics notes
 
Adaptive Immune Response.pptx
Adaptive Immune Response.pptxAdaptive Immune Response.pptx
Adaptive Immune Response.pptx
 
Immunology and Immunization by Dr Nadeem Aashiq
Immunology and Immunization by Dr Nadeem Aashiq Immunology and Immunization by Dr Nadeem Aashiq
Immunology and Immunization by Dr Nadeem Aashiq
 
Immune Magic - Way to boost immune system
 Immune Magic - Way to boost immune system Immune Magic - Way to boost immune system
Immune Magic - Way to boost immune system
 
Report on my major
Report on my majorReport on my major
Report on my major
 

More from Shama

S narendran cv
S narendran cvS narendran cv
S narendran cvShama
 
Role of yoga in tension outlets of children
Role of yoga in tension outlets of childrenRole of yoga in tension outlets of children
Role of yoga in tension outlets of childrenShama
 
Nadis
NadisNadis
NadisShama
 
Swara yoga
Swara yogaSwara yoga
Swara yogaShama
 
Woman in the present age
Woman in the present ageWoman in the present age
Woman in the present ageShama
 
Womens health in kannada audio
Womens health in kannada audioWomens health in kannada audio
Womens health in kannada audioShama
 
Makkala belavanige mattu arogya rakshane
Makkala belavanige mattu arogya rakshaneMakkala belavanige mattu arogya rakshane
Makkala belavanige mattu arogya rakshaneShama
 
Maguvina haraike
Maguvina haraikeMaguvina haraike
Maguvina haraikeShama
 
Garbha shishuvige patanjalia kivi mathu
Garbha shishuvige patanjalia kivi mathuGarbha shishuvige patanjalia kivi mathu
Garbha shishuvige patanjalia kivi mathuShama
 
Makkallai atanka - anxiety in children
Makkallai atanka - anxiety in childrenMakkallai atanka - anxiety in children
Makkallai atanka - anxiety in childrenShama
 
Sravana shakthi hearing disorders in children
Sravana shakthi hearing disorders in childrenSravana shakthi hearing disorders in children
Sravana shakthi hearing disorders in childrenShama
 
Cell phone use on child development and behavior
Cell phone use on child development and behaviorCell phone use on child development and behavior
Cell phone use on child development and behaviorShama
 
Yoga for pregnancy
Yoga for pregnancyYoga for pregnancy
Yoga for pregnancyShama
 
Makalla swashakoshada tondare
Makalla swashakoshada tondareMakalla swashakoshada tondare
Makalla swashakoshada tondareShama
 
Child health and development
Child health and developmentChild health and development
Child health and developmentShama
 
Insulin resistance
Insulin resistanceInsulin resistance
Insulin resistanceShama
 
GERD (gastroesophageal reflux disease) in children
GERD (gastroesophageal reflux disease) in childrenGERD (gastroesophageal reflux disease) in children
GERD (gastroesophageal reflux disease) in childrenShama
 
Breast feeding
Breast feedingBreast feeding
Breast feedingShama
 
Myasthenia gravis
Myasthenia gravisMyasthenia gravis
Myasthenia gravisShama
 
Health tips for children in summer
Health tips for children in summerHealth tips for children in summer
Health tips for children in summerShama
 

More from Shama (20)

S narendran cv
S narendran cvS narendran cv
S narendran cv
 
Role of yoga in tension outlets of children
Role of yoga in tension outlets of childrenRole of yoga in tension outlets of children
Role of yoga in tension outlets of children
 
Nadis
NadisNadis
Nadis
 
Swara yoga
Swara yogaSwara yoga
Swara yoga
 
Woman in the present age
Woman in the present ageWoman in the present age
Woman in the present age
 
Womens health in kannada audio
Womens health in kannada audioWomens health in kannada audio
Womens health in kannada audio
 
Makkala belavanige mattu arogya rakshane
Makkala belavanige mattu arogya rakshaneMakkala belavanige mattu arogya rakshane
Makkala belavanige mattu arogya rakshane
 
Maguvina haraike
Maguvina haraikeMaguvina haraike
Maguvina haraike
 
Garbha shishuvige patanjalia kivi mathu
Garbha shishuvige patanjalia kivi mathuGarbha shishuvige patanjalia kivi mathu
Garbha shishuvige patanjalia kivi mathu
 
Makkallai atanka - anxiety in children
Makkallai atanka - anxiety in childrenMakkallai atanka - anxiety in children
Makkallai atanka - anxiety in children
 
Sravana shakthi hearing disorders in children
Sravana shakthi hearing disorders in childrenSravana shakthi hearing disorders in children
Sravana shakthi hearing disorders in children
 
Cell phone use on child development and behavior
Cell phone use on child development and behaviorCell phone use on child development and behavior
Cell phone use on child development and behavior
 
Yoga for pregnancy
Yoga for pregnancyYoga for pregnancy
Yoga for pregnancy
 
Makalla swashakoshada tondare
Makalla swashakoshada tondareMakalla swashakoshada tondare
Makalla swashakoshada tondare
 
Child health and development
Child health and developmentChild health and development
Child health and development
 
Insulin resistance
Insulin resistanceInsulin resistance
Insulin resistance
 
GERD (gastroesophageal reflux disease) in children
GERD (gastroesophageal reflux disease) in childrenGERD (gastroesophageal reflux disease) in children
GERD (gastroesophageal reflux disease) in children
 
Breast feeding
Breast feedingBreast feeding
Breast feeding
 
Myasthenia gravis
Myasthenia gravisMyasthenia gravis
Myasthenia gravis
 
Health tips for children in summer
Health tips for children in summerHealth tips for children in summer
Health tips for children in summer
 

12 Mechanisms of defense - Immune System.ppt

  • 1. By Dr. Shamanthakamani Narendran Immune System
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8. Host Defenses Complement system Leuco/ Lymph Macro phage
  • 9. Allergy Autoimmunity Rejection of organ transplant An immune cell undergoing an allergic reaction Protects against infectious agents
  • 10.
  • 11.
  • 12.
  • 13.
  • 14. Themectomy TT given 1. Thymosin fraction V (Calf thymus) 2. Synthetic polypeptides Thymus
  • 15. Ontogeny of Immune System Fetus T cells Functions at 7- 1/2 wks Thymus functions at 12 wks B cells Functions at 13 wks IgM First to develop. Rises in intrauterine infection Reaches adult levels by 1 yr IgG Develops at 4 years IgA At adolescence
  • 16. T cell subpopulation Helper cells (IgA & IgG) Suppressor (Homeostasis) Killer cells (Kills invading organisms) B cell subpopulation IgM, IgG, IgA, IgD, & IgE Hay fever, Asthma, Autoimmune disorder (Hemolytic anemia)
  • 17.
  • 19.
  • 20. Lymphoid Precursor Cells Liver Bone marrow
  • 21. Differentiation of lymphoid stem cells T cells (associated with thymus) B cells (associated with bone marrow)
  • 22. Peripheral Lymphoid organs Spleen GI tract tissue
  • 23.
  • 24.
  • 25.
  • 26.
  • 27. THE ALLERGIC RESPONSE allergen IgE release of histamine ALLERGIC REACTION Mast cell
  • 28.
  • 29.
  • 30. PSYCHONEUROIMMUNOLOGY (BRAIN + IMMUNE SYSTEM) killer cells sudden stress increased killer cells reduced killer cells repeated stress
  • 31. Diseases due to Immunologic deficiency Primary Secondary
  • 32. AIDS Acquired immunodeficiency syndrome Pathophysiology Clinical diagnosis Treatment Prevention HIV, the virus that causes AIDS, is shown budding out of a human immune cell.
  • 33. HIV Treating HIV infected woman during pregnancy Natural history of HIV infection Transmission Signs and symptoms of AIDS in new born How does pediatric AIDS differ from adult AIDS Management & Specific retroviral therapies AZT (3’ Azido, 2’ 3’ deoxythymdine) DDI (2’ 3’ Dideoxyinosine) Immunotherapy (Hyposensitization)
  • 34.  
  • 35.  
  • 36.