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Basic Human Pathology: Parts I and II
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Lectures
Cellular Adaptations to Disease/Cell Injury and Death II
Author
: Michael Kahn, D.D.S.
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Basic Human Pathology Lecture #2 Cellular Adaptations to Disease / Cell Injury & Death II
Reaction of Cells to Injury
Causes of Cell Injury (Injurious Stimuli)
Causes of Cell Injury (Injurious Stimuli) - cont’d
Targets of Injurious Stimuli
Targets of Injurious Stimuli - cont’d
Changes of Injury
Changes of Injury - cont’d
Congestion
Edema – Alveoli and Bronchus
Thrombus / Embolus - Kidney
Thrombus
Embolus at Celiac Trunk of Aorta
Changes of Injury
Fibrosis - Keloid
Fibrosis - Scar
Substance Accumulation Mechanisms
Gaucher’s Disease - Spleen
Amyloidosis
Amyloidosis
Amyloidosis
Asbestosis – Ferruginous Bodies
Hypoxic Cell Injury
Hypoxic Cell Injury
Hypoxic Cell Injury
Hypoxic Cell Injury
Hypoxic Cell Injury
Hypoxic Cell Injury
Hypoxic Cell Injury
Localized Infarct – Necrotizing Sialometaplasia
Cellular response to ischemia
Free Radical Injury
Free Radical Injury
Free Radical Injury
Reactive oxygen metabolites damage cells
Cellular Adaptations to Disease/Cell Injury and Death II: Slide 36
Chemical Cell Injury
Apoptosis
Apoptosis
Apoptosis
Apoptosis
Apoptosis
Signaling and Execution Phases / Degradation and Phagocytic Phases
Apoptosis
Apoptosis
Apoptosis
Mitochondrial Damage
Mitochondrial integrity –key factor in apoptosis
Summary Overview of Apoptotic Process
Overview - Apoptosis
Necrosis
Relationships between sub-lethal and lethal cell damage
Necrosis
Necrosis
Necrosis
Necrosis - Testis
Necrosis
Necrosis
Necrosis
Cell Injury - Nuclear Changes
Cell Injury - Nuclear Changes
Cellular Adaptations to Disease/Cell Injury and Death II: Slide 62
Coagulative Necrosis - Cell Changes
Cardiac Muscle
Coagulative Necrosis – Acute Myocardial Infarction
Coagulative Necrosis – Acute Myocardial Infarction
Coagulative Necrosis – Acute Myocardial Infarction
Cellular Adaptations to Disease/Cell Injury and Death II: Slide 68
Coagulative Necrosis – Kidney
Coagulative Necrosis – Kidney
Coagulative Necrosis - Kidney
Coagulative Necrosis - Adrenal Gland
Coagulative Necrosis - Chemical Burn
Necrosis
Liquifactive Necrosis - Kidney
Liquifactive Necrosis - Lung Abscess
Liquifactive Necrosis - Brain
Liquifactive Necrosis –
Periapical Abscess
Liquifactive Necrosis – Periodontal Abscess
Liquifactive Necrosis – Abscess
Necrosis
Caseous Necrosis - Kidney
Caseous Necrosis
Caseous Necrosis
Caseous Necrosis - Lung
Caseous Necrosis - Tuberculosis
Necrosis
‘Wet’ Gangrenous Necrosis - Diabetic
“Dry” Gangrene - Foot
Gangrenous Necrosis - NOMA
Necrosis
Fibrinoid Necrosis - Artery
Necrosis
Gummatous Necrosis – Tertiary Syphilis
Gummatous Necrosis – Liver
Necrosis
Fat Necrosis - Pancreas
Aging
Cellular Aging
Theories of Aging
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