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09 · SMB2 · Cellule, tissus & développement · 09C.04 · Tissu épithélial · all pages
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09C.04 · Tissu épithélial

Epithelial tissue

Communication et tissus · 78 pages

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1Epithelial Tissue
2Opening Questions
3Viewing Angles4Pemphigus & Integrin Loss
5Adhesion Molecules 3D
6Epithelial Tissues Overview
7Course Outline8Course Organization
9Cells Tightly Apposed10Cells Form Junctions11Knowledge Test17Epithelial Distribution18Covering Epithelia Functions19Secretory Epithelia Functions
2.1 Intercellular Adhesion & Polarity
202.1 Intercellular Adhesion & Polarity21Junction Types & ECM22Cell Polarity23Apical Microvilli (Enterocytes)24Apical Secretory Granules
2.2 Basal Lamina Adhesion
252.2 Basal Lamina Adhesion26Basal Contact Determines Polarity27Integrin Allosteric Regulation28Talin-Integrin Link29Adhesion Complex (Visual)
2.2 Basal Lamina Adhesion
312.2 Basal Lamina Adhesion32Basal Lamina Composition33Laminin Structure & Binding34Laminin Polymerization35Basal Lamina Network36Basal Lamina Signaling
2.3 Absence of Vascularization
372.3 Absence of Vascularization38Nutrient Diffusion from Below
2.4 Nutrition & Gap Junctions
392.4 Nutrition & Gap Junctions40Gap Junction Coupling
2.5 Renewal & Differentiation
412.5 Renewal & Differentiation42Mitosis vs Desquamation Balance43Stem → Amplifying → Differentiated44Stem Cell Niches45Stem vs Amplifying Locations46Clonal Amplifying Division47Epithelial Reconstitution in Culture48Epithelial Transplantation49Small Intestine Renewal50Migration-Linked Differentiation51Renewal Rates by Epithelium Type
3.1 Defense & Barrier Function
523.1 Defense & Barrier Function53Dead Cells as Surface Barrier54Basal Lamina as Filter55Lymphocyte Transendothelial Migration
3.2 Absorption & Secretion
563.2 Absorption & Secretion57Enterocyte Microvilli Absorption58Exocrine Granule Secretion
3.3 Fluid & Mucus Transport
593.3 Fluid & Mucus Transport60Endocrine Secretion into Vessels61Ciliated Cells: Mucus Transport
4.1 Metaplasia, Dysplasia, Carcinoma
624.1 Metaplasia, Dysplasia, Carcinoma63Metaplasia (Reversible)64Disturbed Differentiation: Psoriasis65Psoriasis: Keratinocyte Barrier Loss66Metaplasia vs Dysplasia Pathways67β-Catenin–Wnt Pathway68APC/β-Catenin Mutation → c-myc69APC Loss → Hyperproliferation70Metaplasia → Dysplasia → Carcinoma71Carcinoma In Situ Stages72Basal Lamina Limits Spread73Carcinoma In Situ Containment74Basal Lamina Breach → Regional Invasion75Metastatic Carcinoma76Invasive Carcinoma Full Sequence
77Summary
78End Slide