Lecture On Immunology Basics (Part 1): Innate & Adaptive Immunity, Immune Organs, and MHC Complex

Dive into the foundational concepts of Immunology with Dr. Piyar Bagra Debbarma in this essential lecture from Tripura Santiniketan Medical College (TSMC). This video, Part 1 of our Immunology series, provides a comprehensive overview of the body's defense mechanisms—covering everything from the cellular components of the immune system to the distinct functions of innate and adaptive immunity. Perfect for MBBS students, medical aspirants, and anyone seeking to understand the core principles of how the body protects itself from infectious agents and abnormal cells like tumors. Master the basics of immune response, self vs. non-self recognition, and the crucial roles of key immune cells! Lecture Outline & Timestamps 📚TimeTopic[00:40]What is the Immune System? Definition, role in protection, and the critical distinction between self and non-self.[03:38]Components of the Immune System: Identifying the core cells (Lymphocytes, Macrophages, Dendritic Cells) and the different Lymphoid Organs (Primary: Bone Marrow & Thymus; Secondary: Spleen, Lymph Nodes).[07:35]Innate Immunity (First Line Defense): Characteristics, rapid and non-specific response, lack of memory.[09:27]Components of Innate Immunity: Physical barriers (Skin, Mucus), Chemical barriers (Tears, Saliva, Gastric Acid), and Cellular defenses (Neutrophils, Natural Killer Cells).[17:28]Adaptive Immunity (Second Line Defense): Develops over time, antigen-specific response, and the crucial concept of Immunological Memory.[25:07]Two Types of Adaptive Immunity: Differentiating between Humoral Immunity (B-cells, antibodies, extracellular defense) and Cell-Mediated Immunity (T-cells, cytotoxic action, intracellular defense).[26:23]Major Histocompatibility Complex (MHC): Understanding MHC Class I and Class II molecules and their role in antigen presentation and self-recognition.[31:04]Functions of Key Immune Cells: Detailed look at Neutrophils, Macrophages (APCs), NK Cells, Eosinophils (Allergy), and Basophils/Mast Cells (Histamine Release).[33:12]Basic Mechanism of Immune Response: Phagocytosis, Lymphocyte Activation, Antibody Production, and the formation of Memory Cells (the principle behind Vaccines [36:05]).Keywords & Tags for Search Optimization 🏷️Immunology Lecture, Immune System Basics, Innate Adaptive Immunity, MHC Class 1, MHC Class 2, Humoral Immunity, Cell-Mediated Immunity, Lymphoid Organs, B Cells T Cells, Antigen Presenting Cells, Medical Education, MBBS Lecture, Dr. Piyar Bagra Debbarma, TSMC, Immune System Components.Stay tuned for Part 2! We will cover Immunoglobulins and antibody structure in the next class. #mbbsclass #medical #class #education #mbbs #TSMC #students #everyoneシ゚viralシviralシfypシ゚viralシalシ #flowers #tripurasantiniketanmedicalcollege    • Lecture On Immunology Basics (Part 1): Inn...   TRIPURA SANTINIKETAN MEDICAL COLLEGE & HOSPITAL Real Classroom Demonstration/ BIOCHEMISTRY LECTURE ON- IMMUNOLOGY BY-DR. PIYAR BAGRA DEBBARMA (MBBS Batch: 2025-26) Conducted on: 11-11-25