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Connective Tissue. Why is this possible?. Fresh, purified stem cells from fat tissue can grow bone faster and better than current methods, and potentially could eliminate the need for painful bone grafts, the authors of a new study say US News. Growing Bone?.

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Presentation Transcript
why is this possible
Why is this possible?
  • Fresh, purified stem cells from fat tissue can grow bone faster and better than current methods, and potentially could eliminate the need for painful bone grafts, the authors of a new study say
                  • US News
growing bone
Growing Bone?
  • http://www.youtube.com/watch?v=FUjlLIMbCiQ
characteristics of connective tissue
Characteristics of Connective Tissue
  • Deep tissue
  • Vascular
  • Never exposed
  • Contains:
    • Cells
    • Fibers
    • Extracellular Matrix
functions of connective tissue
Functions of Connective Tissue
  • Provides support
  • Protects
  • Stores fat
  • Produces blood cells
  • Fights infection
  • Repairs tissue
the cells of connective tissue proper
The cells of connective tissue proper
  • Macrophage
  • Mast Cell
  • Fibroblast
  • Adipocytes
macrophage
Macrophage
  • White blood cell
  • Part of immune system
  • Performs phagocytosis

What organelle is most abundant?

mast cell
Mast Cell
  • Prevents the formation of clots
  • Involved in allergy response

Sinus sample

fibroblasts
Fibroblasts
  • Most abundant
  • Maintain and produce fibers of connective tissue
  • What organelle is most abundant?
adipocytes
Adipocytes
  • Store fat
  • What about the number of organelles in these cells?
fibers of connective tissue proper
Fibers of connective tissue proper
  • Collagen
  • Elastic
  • Reticular
collagen fibers
Collagen Fibers
  • Most abundant
  • Structural protein
  • Long, straight, unbranched
  • Found in: tendons, ligaments, skin, bones
elastic fibers
Elastic Fibers
  • Branch, wavy fibers
  • Will stretch and return shape
  • Found: smooth muscle (i.e. respiratory tract)
reticular fibers
Reticular Fibers
  • Forms interwoven networks
  • Branched fibers
  • Acts as supporting mesh
  • Found in: lymphatic system
what is considered the extracellular matrix
What is considered the extracellular matrix?
  • All fibers and ground substance
  • Ground Substance = gel-like; composed of glycosaminoglycans
loose connective tissue
Loose Connective Tissue
  • Space between components
  • Binds organs to skin and one another
  • Forms thin membranes throughout body
adipose tissue
Adipose Tissue
  • Stores fat
dense fibrous connective tissue
Dense/Fibrous Connective Tissue
  • Collagenous fibers closely packed
  • In dermis of skin, tendons, ligaments
  • Provides support
cartilage
Cartilage
  • Firm gel with fibers
  • Components:
  • Chondrocytes
  • Ground substance
  • Collagen fibers
  • Other fibers (depends on function)
types of cartilage
Types of Cartilage
  • Hyaline
    • Most common
    • Found on many joint surfaces, nasal septum, larynx, trachea, bronchi, ends of ribs
    • No nerves or blood vessels
types of cartilage1
Types of Cartilage

2. Elastic Cartilage

  • Large numbers of elastic fibers
  • Found in external ear, epiglottis, larynx
types of cartilage2
Types of Cartilage
  • Fibrocartilage
    • Dense fibers
    • Found in intervertebral discs, insertions of tendons and ligaments
    • Firm, but not rigid support
blood
Blood
  • Components:
  • Red Blood Cells
  • White Blood Cells
  • Platelets
  • Plasma
  • Function: transport &

protect

Form Fits Function

slide27
Bone
  • Has salts dissolved in ECM
  • Supports body structure, protects, contains marrow