Prions

Jul 9, 2017 by in MICROBIOLOGY Comments Off on Prions

7 Prions Introduction Prions are unusual infectious agents associated with a number of human, animal and fungal diseases. In humans they can cause degenerative changes in the brain: the transmissible…

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The protozoa

Jul 9, 2017 by in MICROBIOLOGY Comments Off on The protozoa

5 The protozoa Introduction Protozoa are single-celled animals, ranging in size from 2 to 100    nm. Many species are free-living, but others are important parasites of humans. Some free-living species…

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Cytoplasm: The Secretory System

Jul 9, 2017 by in MICROBIOLOGY Comments Off on Cytoplasm: The Secretory System

and Jürgen Roth2 (1) Medical University of Vienna, Vienna, Austria (2) University of Zurich, Zurich, Switzerland   Secretory Pathway of Pancreatic Acinar Cells In their classical Nobel Prize–winning studies on protein…

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Nucleus

Jul 9, 2017 by in MICROBIOLOGY Comments Off on Nucleus

and Jürgen Roth2 (1) Medical University of Vienna, Vienna, Austria (2) University of Zurich, Zurich, Switzerland   Architecture of the Cell Nucleus The nucleus is the largest of the cellular compartments,…

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Epithelia

Jul 9, 2017 by in MICROBIOLOGY Comments Off on Epithelia

and Jürgen Roth2 (1) Medical University of Vienna, Vienna, Austria (2) University of Zurich, Zurich, Switzerland   Pancreatic Acinus The pancreas is a combined exocrine and endocrine gland, localized close to…

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Tissue and Disorders

Jul 9, 2017 by in MICROBIOLOGY Comments Off on Tissue and Disorders

and Jürgen Roth2 (1) Medical University of Vienna, Vienna, Austria (2) University of Zurich, Zurich, Switzerland   Central Nervous System: Neuron, Glial Cells Providing the base for the most sophisticated functions…

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and Cell-Matrix Contacts and Disorders

Jul 9, 2017 by in MICROBIOLOGY Comments Off on and Cell-Matrix Contacts and Disorders

and Jürgen Roth2 (1) Medical University of Vienna, Vienna, Austria (2) University of Zurich, Zurich, Switzerland   Junctional Complex Cell to cell contacts are necessary for any higher organization of cells…

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Tissue

Jul 9, 2017 by in MICROBIOLOGY Comments Off on Tissue

and Jürgen Roth2 (1) Medical University of Vienna, Vienna, Austria (2) University of Zurich, Zurich, Switzerland   Loose Connective Tissue The connective tissue, composed of cells and extracellular matrix, forms a…

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Blood

Jul 9, 2017 by in MICROBIOLOGY Comments Off on Blood

and Jürgen Roth2 (1) Medical University of Vienna, Vienna, Austria (2) University of Zurich, Zurich, Switzerland   Red Blood Cells and Cells of the Erythroid Lineage The cells of the erythroid…

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Cytoplasm: Lysosomes and Lysosomal Disorders

Jul 9, 2017 by in MICROBIOLOGY Comments Off on Cytoplasm: Lysosomes and Lysosomal Disorders

and Jürgen Roth2 (1) Medical University of Vienna, Vienna, Austria (2) University of Zurich, Zurich, Switzerland   Lysosomes Lysosomes are enriched in hydrolytic enzymes working at low pH, which include proteases,…

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