Endocytosis exocytosis e endocytosis exocytosis

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Unformatted text preview: Large molecules molecules • Phagosome: – Fusion with Fusion lysosome lysosome • Phagocytes Phagocytes Figure 5-20 E. Endocytosis & Exocytosis: E. Endocytosis Exocytosis VacuoleTransport VacuoleTransport • ENDOCYTOSIS: ENDOCYTOSIS: – Pinocytosis: non-selective; small particles – Phagocytosis: non-selective; large selective; particles particles – Receptor mediated Endocytosis: Receptor Endocytosis • specific substrate (ligand) only 11 1/31/2010 Endocytosis & Exocytosis: Exocytosis Transport & Membrane Cycling Transport Figure 5-21: 21: ReceptorReceptor mediated mediated endocytosis endocytosis and exocytosis and exocytosis F. Transepithelial & F. Transepithelial Transcytosis Transcytosis 1. Cross two membranes a) Apical (lumenal side) b) Basolateral (ECF side) 2. Absorption: lumen to ECF 3. Secretion: ECF to ECF lumen/surface lumen/surface 12...
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This document was uploaded on 03/18/2010.

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