Innate Immunity Figs BW2

Innate Immunity Figs BW2 - Recall from General Biology...

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Recall from General Biology… Major Functions of Immune System Defend against infection by viruses, bacteria, fungi, parasites, etc. Destroy and recycle worn-out cells, e.g., erythrocytes1, neutrophils2 Identify and destroy abnormal (cancer) cells Diseases and Clinical Conditions Allergies Autoimmune diseases e.g., type I diabetes mellitus systemic lupus erythematosus (lupus) Immunodeficiency diseases Primary (inherited) Secondary (acquired) Limits tissue/organ transplants Types of Immunity Innate (non-specific, inherited, rapid, no memory) Acquired (specific, adaptive, slower, memory) 0 1200 billion / day 2100 billion / day
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Anatomy of Lymphatic System Thymus Spleen GALT* *Gut- Associated Lymphoid Tissue Lymph Nodes Bone Marrow Lymph Node Afferent Lymph Vessels Spleen White Pulp Red Pulp Venous Sinuses Capsule
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Ciliated epithelium (Fig. 3-26) Skin (Ch. 3, p. 83) Stratum corneum Glands Epidermis Innate Barrier Defenses (Review) Skin
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Innate Immunity Figs BW2 - Recall from General Biology...

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