Cells and Tissue-2

1. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Cell and Tissue ||
• Cell and Tissue
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2. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
• Protein packaging
• Secretory vesicles
• Secreted to E C F
Golgi Apparatus
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3. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Golgi Apparatus
Figure 3-11: The Golgi apparatus
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4. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
• Lysosomes
• Enzymes
• Intracellular
digestion
• Peroxisomes
• Hydrogen
peroxide
• Detoxification
• Fatty acid
degradation
Cytoplasmic Vesicles
Figure 3-12: Lysosomes and peroxisomes
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5. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
• Nuclear envelope
• Nuclear pore complex
• Chromatin
• DNA form genes
• Nucleoli
• DNA concentrations
• Control RNA synthesis
Nucleus
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6. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Nucleus
Figure 3-13: The nucleus
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7. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
• Tissue defined:
• Matrix
• Tissue types
• Epithelial
• Connective
• Muscle
• Nervous
Primary Tissue Types
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8. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
• Cell to cell
• Gap junction
• Tight junction
• Anchoring junction
• Cell to matrix
• Focal adhesions
• Hemidesmosomes
Junctions
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9. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Junctions
Figure 3-14: Types of cell junctions
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10. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Key Junction Proteins:
Connexin, cadherins, occludin & integrins
Figure 3-15: A map of cell junctionsFor more Visit www.dentaltutor.in

11. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
• Defined:
• Types:
• Exchange
• Transport
• Ciliated
• Protective
Epithelial Tissues
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12. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Epithelial Tissues
Figure 3-17: Distribution of epithelia in the body
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13. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
• Leaky junctions
• Rapid transport
• Oxygen
• Carbon dioxide
• Ions & fluids
• Capillaries
• Lung alveoli
Exchange Epithelial Tissues
Figure 3-18a: Movement of substances across tight and leaky epithelia
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14. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
• Transport epithelium
• Intestinal microvili
• Tight junctions
• Ciliated epithelium
• Trachea
• Sweep mucous out
• Protective epithelium
• Skin
• Multiple cell layers
• Prevent exchange
More Epithelia
Figure 3-18b: Movement of substances across tight
and leaky epithelia
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15. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
• Ciliated epithelium
• Trachea
• Sweep mucous out
• Protective epithelium
• Skin
• Multiple cell layers
• Prevent exchange
More Epithelia
Figure 3-19a: Ciliated epithelia
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16. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
• Exocrine tissues
• Mucous glands- goblet cells
• Sweat glands
• Secreted externally
• Endocrine tissues
• Hormones
• Secreted to ECF & blood
Secretory Epithelia
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17. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Secretory Epithelia
Figure 3-20: Goblet cellsFor more Visit www.dentaltutor.in

18. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Secretory Epithelia
Figure 3-21: Development of endocrine and exocrine glands from epithelium
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