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The Immune System: Lines of Defense

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Introduction to Immunity

  • Percorso guidato
    Innate vs. Adaptive Immunity
    05:52
  • Percorso guidato
    Antigens & Antibodies
    02:58

Introduction to Innate Immunity

  • Percorso guidato
    Map of Lesson on Innate Immunity
    06:42
  • Percorso guidato
    Introduction to Innate Immunity
    02:30

Introduction to First-Line Defenses

  • Percorso guidato
    Introduction to First-Line Defenses
    01:51
  • Percorso guidato
    Map of the Lesson on First-Line Defenses
    01:35

Physical Barriers in First-Line Defenses: Skin

  • Percorso guidato
    Physical Barriers in First-Line Defenses: Skin
    03:58
  • Percorso guidato
    Physical Barriers in First-Line Defenses: Skin
    01:28

Physical Barriers in First-Line Defenses: Mucous Membrane

  • Percorso guidato
    Peristalsis & Mucociliary Escalator
    04:14
  • Percorso guidato
    Mucous Membranes
    02:34

First-Line Defenses: Chemical Barriers

  • Percorso guidato
    Chemical Defenses: Saliva Can Prevent Microbial Growth
    01:36
  • Percorso guidato
    Chemical Defenses: Gastric Juice Prevents Microbial Growth by Lowering pH
    02:07
  • Percorso guidato
    Chemical Defenses: Sebum Prevents Microbial Growth as a Protective Layer
    01:56

First-Line Defenses: Normal Microbiota

  • Percorso guidato
    Normal Microbiota
    03:43

Introduction to Cells of the Immune System

  • Percorso guidato
    Introduction to Cells of the Immune System
    03:21
  • Percorso guidato
    Hematopoiesis
    02:33
  • Percorso guidato
    Map of the Lesson on Cells of the Immune System
    06:08

Cells of the Immune System: Granulocytes

  • Percorso guidato
    Basophils
    03:23
  • Percorso guidato
    Granulocytes
    03:32
  • Percorso guidato
    Neutrophils
    05:26

Cells of the Immune System: Agranulocytes

  • Percorso guidato
    Introduction to Lymphocytes
    03:51
  • Percorso guidato
    Agranulocytes
    03:43
  • Percorso guidato
    Monocytes
    07:16

Introduction to the Complement System

  • Percorso guidato
    Introduction to the Complement System
    04:25
  • Percorso guidato
    Map of the Lesson on the Complement System
    03:25
  • Percorso guidato
    Proteins of the Complement System
    04:16

Antigens

  • Percorso guidato
    Antigens
    03:59
  • Percorso guidato
    Free Antigens vs. Presented Antigens on APCs
    04:11

Introduction to T Lymphocytes

  • Percorso guidato
    T-Cell Receptors
    05:18
  • Percorso guidato
    Introduction to T Lymphocytes
    03:31
  • Percorso guidato
    Cytotoxic T Cells vs. Helper T Cells
    05:58

Major Histocompatibility Complex Molecules

  • Percorso guidato
    Major Histocompatibility Complex Molecules
    02:31
  • Percorso guidato
    Classes of MHC Molecules
    07:17

Functions of T Lymphocytes

  • Percorso guidato
    Types of Helper T Cells (TH)
    03:19
  • Percorso guidato
    Functions of Helper T Cells (TH):Activation of Macrophages
    05:18
  • Percorso guidato
    Functions of Cytotoxic T Cells (Tc)
    06:21

Review of Cytotoxic vs. Helper T Cells

  • Percorso guidato
    Comic Strip for T Cell Functions
    02:58
  • Percorso guidato
    Review of Cytotoxic vs Helper T Cells
    04:27

Introduction to B Lymphocytes

  • Percorso guidato
    Introduction to B Lymphocytes
    03:55
  • Percorso guidato
    B cell Receptors
    04:37
  • Percorso guidato
    Naive B cells Become Effector (Plasma) Cells & Memory Cells
    04:23

Antibodies

  • Percorso guidato
    Antibody Diversity
    02:34
  • Percorso guidato
    Antibody Structure
    05:40
  • Percorso guidato
    Antibodies
    00:48

Classes of Antibodies

  • Percorso guidato
    Review Table of Immunoglobin Classes
    03:48
  • Percorso guidato
    IgM
    03:34
  • Percorso guidato
    IgG
    03:53