Connective Tissue

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Author:
BodeS
ID:
295070
Filename:
Connective Tissue
Updated:
2015-04-27 14:37:54
Tags:
Anatomy
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Description:
types of CT including pictures from slides
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  1. Connective Tissue
    FXN?
    ex/?
    • FXN: holds body together
    • ex/ bones
    • fat
  2. CT characteristics?
    • loose scattered cells
    • a lot of extracellular material ex/ fibers; ground-substance
    • vascular-except cartilage
    • no polarity-no up/down
  3. CT proper
    • cells
    • - fibroblast
    • - fibrocyte
    • fibers
    • - collagen
    • - elastic
    • - reticular
  4. fibroblast
    • make protein 
    • build tissue
    • dividable cells 
  5. fibrocyte
    • mature cell, except fat
    • maintain tissue
    • no division 
  6. collagen
    • strength
    • structure
    • ex/ bone
  7. elastic
    • stretch
    • recoil
    • ex/ skin
  8. reticular
    • delicate
    • support
    • ex/ spleen
  9. ID?
    FXN?
    LOCATION?
    FIBERS?
    • ID: Loose Aveolar CT
    • FXN: loose hold 
    • stretch 
    • recoil
    • LOCATION: between muscle layers
    • around adipose 
    • around blood vessels
    • FIBERS: collagen
    • elastin
  10. ID?
    FXN?
    LOCATION?
    FIBERS?


    • ID: Dense Regular CT
    • FXN: strength
    • LOCATION: tendon
    • ligaments
    • FIBERS: collagen
  11. ID?
    FXN?
    LOCATION?
    FIBERS?


    • ID: Dense Irregular CT
    • FXN: hold epidermis on
    • strong hold in multiple directions 
    • LOCATION: dermis 
    • FIBERS: collagen 
  12. ID?
    FXN?
    LOCATION?
    FIBERS?
    • ID: Reticular CT
    • FXN: delicate support
    • LOCATION: spleen
    • lymph nodes 
    • FIBERS: Reticular
  13. ID?
    FXN?
    LOCATION?
    FIBERS?

    • ID: Fibrous Cartilage
    • FXN: structure with strength
    • LOCATION: intervertebral disc
    • knee meniscus
    • pubic symphysis
    • FIBERS: collagen
  14. ID?
    FXN?
    LOCATION?
    FIBERS?

    • ID: Hyaline Cartilage
    • FXN: structure with flexibility 
    • LOCATION: adults-articular joints
    • end of ribs
    • larynx
    • rings of cartilage
    • infant/in utero- skeleton of body
    • epiphyseal growth plate of long bones
    • FIBERS: collagen
  15. ID?
    FXN?
    LOCATION?
    FIBERS?
    • ID: Elastic Cartilage
    • FXN: structure with recoil 
    • LOCATION: ear
    • epiglottis
    • FIBERS: elastic
  16. ID?
    LOCATION?
    FIBERS?
    STRUCTURE?
    • ID: Bone
    • Location: skeleton
    • Fibers: collagen
    • Structure: Haversion System
  17. Haversion System
    • "Osteon"
    • FXN: cell connections and diffusion of nutrients
    • Haversion Canal
    • Canalculi
    • Lacuna
    • Osteocytes
    • Osteoblasts
  18. Haversion Canal
    • center canal
    • houses artery and vein
    • fxn: cell connections and diffusion of nutrients
  19. Canalculi
    fxn: cell connections and diffusion of nutrients
  20. Lacuna
    osteocyte in lacuna-GIVEN

    CELLS CANNOT DIVIDE IN THE MIDDLE OF BONE
  21. osteocyte
    found in the lacuna

    CELLS CANNOT DIVIDE IN THE MIDDLE OF BONE
  22. osteoblast
    • fxn: always Appositional Growth
    • location: edges of bone tissue
  23. osteoclasts
    remove old bone
  24. Appositional Growth
    • fxn: to add new tissue to the edge of the previous tissue
    • ex/: osteoblasts dividing
    • location: connective tissue
    • bone tissue
    • diaphysis
  25. Interstitial Growth
    • fxn: new cells and new fibers in the middle of tissue
    • ex/: new fibrocyte in loose aveolar
    • new chondroctye in hyaline cartilage
    • location: connective tissue
    • growth plate/cartilage
    • epiphyses
  26. Endochondral Ossification
    Characteristics?
    Location?
    Fxn?
    • Characteristics: pre-vascular
    • low Oenvironment 
    • mesenchymal cells become chondroblasts
    • Location: Long Bones
    • Fxn: Interstitial Growth
    • Process:
    • 1) mesenchymal cells become chondroblasts
    • 2) cells die 
    • 3) calcification triggers blood vessel growth
    • 4) new mesenchymal cells become osteoblasts
  27. Intramembranous Ossification
    Characteristics?
    Location?
    Fxn?
    • Characteristics
    • high Oenvironment
    • mesenchymal cells become osteoblasts
    • primary ossification site
    • Location: skull, clavicle
    • Fxn: Appositional Growth
  28. Epiphyseal Growth Plate
    Characteristics?
    Structure?
    Fxn?
    Location?
    • Characteristics: layer of hyaline cartilage
    • articular cartilage
    • cartilage of joints 
    • Structure:
    • 1) resting chondrocytes
    • 2) dividing chondroblasts
    • 3) dying cells- calcify
    • 4) osteoclasts-get rid of dying cells
    • 5) osteoblasts-on edge of bone tissue, adjacent to diaphysis
    • Fxn: Endochondral Ossificiation
    • Interstitial Growth
    • Location: long bones
    • epiphyses
  29. Epiphyses
    ends of bone
  30. Epiphyseal Plate
    growth plate, hyaline cartilage
  31. Diaphysis
    bone shaft
  32. Compact Bone
    dense external layer of bone tissue composed of completely developed Haversion Systems
  33. Cancellous Bone
    internal trabecular bone with open spaces and bone marrow composed of incomplete Haversion Systems
  34. skin structure
    • structure
    • 1) keratinized stratified squamous epithelium; epidermis
    • 2) dense irregular CT-dermis
    • 3) adipose- hypodermis/subcutaneous/superficial fascia
    • 4) smooth muscle-connects hair follicle to hypodermis
    • 5) neural tissue- sensory net
  35. skin
    fxn?
    • fxn:
    • 1) protection- dehydration (burn, wounds)
    • 2) temperature regulation- sweat (goose bumps)
    • 3) sensory net
  36. epidermis
    • dead cells-
    • hair 
    • nails
    • glands-
    • sweat
    • oil
  37. ID?
    Fxn?
    Location?
    Fibers?
    Cells?
    • ID: Adipose
    • Fxn: Insulation
    • store energy
    • Location: hypodermis
    • Fibers: NONE!
    • Cells: adipocytes
    • can divide

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