PowerPoint ® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings PART D 3 Cells and Tissues

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Connective Tissue  Characteristics  Cell Density  Blood Supply  Location:  Functions

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Connective Tissue Characteristics  Extracellular matrix  = Material between cells  Ground substance: mostly water  Protein Fibers  Collagen (white) fibers  Elastic (yellow) fibers

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Connective Tissue Types  Bone (osseous tissue)  Composed of  Bone cells in lacunae  Hard matrix  Minerals:  Fibers:  Function:

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Connective Tissue Types  Cartilage  Compressible  matrix:  Cells in lacuna  Locations

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Connective Tissue Types  Dense connective tissue (fibrous)  Fibers:  Fibroblasts:  Locations  Tendons  Ligaments  Dermis

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Connective Tissue Types  Loose types  Areolar  location  Fibers  Functions:

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Connective Tissue Types  Loose types …  Adipose tissue  Adipose globules  Locations:  Functions

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Connective Tissue Types  Blood (vascular tissue)  Matrix:  Fibers:  Functions:

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscle Tissue  Functions:  Cells shape:  Three types

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscle Tissue Types  Skeletal muscle  Conscious control  Function:  Striated

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscle Tissue Types  Cardiac muscle  Conscious control:  Location:  Function:  Intercalated Discs:  Striated:

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscle Tissue Types Figure 3.20b

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscle Tissue Types  Smooth muscle  Conscious control:  Locations:  Function:  Cell Shape

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Nervous Tissue  Location  Cells:  Cell Body  Processes  Function:  Irritability  Conductivity

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Events in Tissue Repair Inflamation  Capillaries permeable  Blood clot  Scab forms Granulation tissue  New capillaries  Make collagen fibers  Clot dissolves Regeneration  Regeneration of surface epithelium  Scab detaches  Tissues: epithelial, connective except cartilage

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings  None to Poor Regeneration  Fibrosis = Repair by dense connective tissue = scar tissue  Tissues  Cardiac muscle  Nervous  Skeletal muscle