Immunology Notes Dr Najeeb Lectures Pdf New | Works 100%
Activated by mannose-binding lectin binding to carbohydrates on pathogen surfaces.
Systemic Lupus Erythematosus (SLE), Post-Streptococcal Glomerulonephritis (PSGN), Serum Sickness, Arthus reaction. Type IV: Delayed-Type (Cell-Mediated) Hypersensitivity
Dr. Najeeb has become a revered figure in medical education, with over 40 years of teaching experience and a global following of millions of students. His lectures are built on a core belief: "Lasting Knowledge results from clear concepts". This philosophy is brought to life through his unique teaching style, which relies heavily on to break down and visually explain complex physiological and pathological processes. His library is vast, containing over 800 to 1,000+ videos covering all major basic medical sciences, including an extensive immunology section. Students consistently praise his ability to "clarify everything from the coagulation cascade, immunology, neurology, and embryology". immunology notes dr najeeb lectures pdf new
But what about attacking our own body? This is prevented by :
Dr. Najeeb’s breakdown of the complement system is legendary. The notes typically condense these intricate protein cascades into highly scannable pathways: The Classical Pathway (antibody-dependent). The Alternative Pathway (microbial surface-activated). The Lectin Pathway (mannose-binding lectin). The Membrane Attack Complex (MAC) and regulatory proteins. 4. Hypersensitivity Reactions Najeeb has become a revered figure in medical
): Differentiate into Th1 (intracellular pathogens), Th2 (extracellular parasites), or Th17 (fungal/bacterial infections) based on cytokine environments. Cytotoxic T-Cells ( CD8+cap C cap D 8 raised to the positive power
[ IMMUNE SYSTEM ] | ----------------------------------------------------- | | [ INNATE IMMUNITY ] [ ADAPTIVE IMMUNITY ] - Non-specific - Highly specific - Immediate response - Delayed response (days) - No memory - Immunological memory - Barriers, Phagocytes, Complement - T cells and B cells Innate vs. Adaptive Immunity: Key Differences Innate Immunity Adaptive Immunity Immediate (minutes to hours) Delayed (days to weeks) Specificity Non-specific; recognizes broad molecular patterns (PMPs) Highly specific; recognizes unique antigenic epitopes Memory None; identical response upon re-exposure Present; faster and stronger response upon re-exposure Components Barriers, neutrophils, macrophages, NK cells, complement T lymphocytes, B lymphocytes, antibodies Evolution His library is vast, containing over 800 to
The immune system is the body’s primary defense network against pathogens, foreign substances, and altered self-cells (like cancer). It is divided into two highly interconnected branches: and Adaptive Immunity .
Understanding the cellular faults in genetic immune conditions helps cement basic immunology pathways. B-Cell / Humoral Deficiencies
The most abundant white blood cells. They are the primary responders to acute bacterial infections and utilize phagocytosis, degranulation, and Neutrophil Extracellular Traps (NETs).