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Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
Tissues Project
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Tissues Project

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  • 1. Tissues
    • Groups of cells similar in structure and function
    • 4 types
      • Epithelial, connective, muscular and nervous
    Credits Epithelial Connective Muscular Nervous http://www.flickr.com/photos/jorrflv/1451540811/in/set-72157602184151046 /
  • 2. Epithelial Tissue
    • Cellularity
    • Supported by connective tissue
    • A vascular but innervated
    • Regenerative
    • Classifications
      • Simple or stratified
    • Special Contacts
      • Junctions and desmosomes
    • Polarity
      • Apical and basal
    Tissues Stratified Simple http://images.google.com/images?hl=en&q=epithelial+tissue&gbv=2
  • 3. Simple Epithelial
    • Single layer
    • 4 classification types
      • Squamous, cuboidal, columnar and pseudostratified columnar
    Tissues Epithelial Simple Squamous Simple Cuboidal Simple Columnar Pseudostratified Columnar http://images.google.com/images?hl=en&q=epithelial+tissue&gbv=2
  • 4. Simple Squamous Epithelial
    • Single layer of flattened cells with disc-shaped nuclei and sparse cytoplasm
    • Functions
      • Diffusion and filtration
      • Provides slick friction
    • Present in
      • Kidney glome ruli, lining of heart, blood vessels, lymphatic vessels and serosae
    Tissues Epithelial Simple Epithelial Simple Cuboidal Simple Columnar Pseudostratified Columnar
  • 5. Simple Columnar Epithelial
    • Single layer of tall cells with oval nuclei
    • Many contain cilia
    • Contains goblet cells
    • Functions
      • Absorption, secretion, nonciliated type lines
        • Digestive tract and gallbladder
      • Ciliated type lines
        • Small bronchi, uterine tubes and regions of uterus
    Tissues Epithelial Simple Epithelial Simple Cuboidal Simple Squamous Pseudostratified Columnar http://images.google.com/images?hl=en&q=epithelial+tissue&gbv=2
  • 6. Simple Cuboidal Epithelial
    • Single layer of cube-shaped cells with large, spherical central nuclei
    • Functions
      • Secretion and absorption
    • Present in
      • Kidney tubules, ducts, secretory portions of small glands and on ovary surface
    Tissues Epithelial Simple Epithelial Simple Columnar Simple Squamous Pseudostratified Columnar
  • 7. Pseudostratified Columnar Epithelial
    • Single layer of tall cells with different heights
    • Some cells don’t reach free surface
    • Nuclei seen at different layers
    • Functions
      • Secretion and propulsion of mucus
    • Present in
      • Non ciliated male sperm carrying ducts and ducts of large glands, ciliated trachea and upper respiratory tract
    Tissues Epithelial Simple Epithelial Simple Columnar Simple Squamous Simple Cuboidal
  • 8. Stratified Epithelial
    • Two or more layers of cells
    • More durable than simple epithelial
    • Four types
      • Stratified squamous, stratified cuboidal, stratified columnar and transitional
    Tissues Epithelial Stratified Squamous Stratified Cuboidal Stratified Columnar Transitional http://images.google.com/images?gbv=2&svnum=10&hl=en&q=stratified+epithelial
  • 9. Stratified Squamous Epithelial
    • Thick membrane composed of several layers of cells
    • Function
      • Protects areas subject to abrasion
    • Forms
      • external part of skin’s epidermis, linings of esophagus, mouth an vagina
    Tissues Epithelial Stratified Epithelial Stratified Cuboidal Stratified Columnar Transitional
  • 10. Stratified Cuboidal Epithelial
    • Typically two cell layers
    • Rare
    • Found in sweat and mammary glands
    Tissues Epithelial Stratified Epithelial Stratified Squamous Stratified Columnar Transitional http://images.google.com/images?gbv=2&svnum=10&hl=en&q=stratified+cuboidal
  • 11. Stratified Columnar Epithelial
    • Limited distribution to body
    • Present in
      • Pharynx, male urethra and lining of some glandular ducts
    • Occurs at
      • Transition areas between two other types of epithelial
    • Only layer is the apical layer
    Tissues Epithelial Stratified Epithelial Stratified Squamous Stratified Cuboidal Transitional
  • 12. Transitional Epithelial
    • Several cell layers
    • Basal cells are cuboidal
    • Surface cells are dome shaped
    • Stretchy
    • Lines
      • Urinary bladder, ureters and part of urethra
    Tissues Epithelial Stratified Epithelial Stratified Squamous Stratified Cuboidal Stratified Columnar
  • 13. Connective Tissue
    • Most abundant and widely distributed in primary tissues
    • Found throughout body
    • Four main types
      • Connective tissue proper, cartilage, bone and blood
    • Functions
      • Binding and support, protection, insulation and transportation
    • Three common properties
      • Mesenchyme as common tissue of origin, degrees of vascularity, extracellular matrix
    Tissues Connective Tissue Proper Cartilage Bone Blood http://washington.uwc.edu/about/faculty/schaefer_w/TISSUES/fibrous_connective_tissue_tendon.jpg
  • 14. Connective Tissue Proper
    • Two subclasses
      • Loose and dense
    • Contains majority of mature connective tissue
    • Consists of living cells surrounded by a matrix
    Tissues Connective Tissue Cartilage Bone Blood Loose Connective Tissue Dense Connective Tissue http://images.google.com/imgres?imgurl=http://anatomy.iupui.edu/courses/histo_D502/D502f04/Labs.f04/connective%2520lab/s4810x.jpg&imgrefurl=http://anatomy.iupui.edu/courses/histo_D502/D502f04/Labs.f04/connective%2520lab/Lab3f04.html&h=576&w=432&sz=300&hl=en&start=7&tbnid=r2UwEDPOLr2BBM:&tbnh=134&tbnw=101&prev=/images%3Fq%3Dconnective%2Btissue%2Bproper%26gbv%3D2%26svnum%3D10%26hl%3Den
  • 15. Loose Connective Tissue
    • Three types
      • Areolar, adipose and reticular
    • 4 main functions
      • Support and bind other tissues, holds body fluids, defends against infection, stores nutrients as fat
    Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Dense Connective Tissue Areolar Adipose Reticular http://images.google.com/images?gbv=2&svnum=10&hl=en&q=loose+connective+tissue+
  • 16. Areolar Connective Tissue
    • Gel like matrix
    • Contains
      • Fibroblasts, macrophages, mast cells and some white blood cells
    • Cushions organs
    • Widely distributed
    Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Loose Connective Tissue Adipose Reticular
  • 17. Adipose Connective Tissue
    • Similar matrix to areolar connective tissue
    • Adiopcytes closely packed together
    • Functions
      • Stores and reserves food, insulates against heat loss, supports, and protects
    • Present in
      • Under the skin, around kidneys, within abdomen and in breasts
    Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Loose Connective Tissue Reticular Areolar
  • 18. Reticular Connective Tissue
    • Loose ground substance with reticular fibers
    • Cells live in a fiber network
    • Forms soft internal skeleton
    • Found in
      • Lymph nodes, bone marrow and spleen
    Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Loose Connective Tissue Areolar Adipose http://images.google.com/images?gbv=2&svnum=10&hl=en&q=reticular+tissue
  • 19. Dense Connective Tissue
    • Two types
      • Regular and irregular
    • Fibers are predominant elements
    Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Loose Connective Tissue Dense Regular Dense Irregular http://images.google.com/images?gbv=2&svnum=10&hl=en&q=dense+connective+tissue
  • 20. Dense Regular Connective Tissue
    • Parallel collagen fibers with few elastic fibers
    • Major cell type is fibroblasts
    • Attaches muscle to bone or to other muscles and bone to bone
    • Present in
      • Tendons, ligaments and aponeuroses
    Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Dense Connective Tissue Dense Irregular
  • 21. Dense Irregular Connective Tissue
    • Irregularly arranged thick collagen fibers with some elastic fibers
    • Major cell type is fibroblasts
    • Withstands tension in many directions
    • Provides structural strength
    • Found in the dermis
    • Forms fibrous joint capsules and fibrous coverings that surround some organs
    Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Dense Connective Tissue Dense Regular http://images.google.com/images?gbv=2&svnum=10&hl=en&q=dense+irregular+tissue
  • 22. Cartilage
    • Stands up to tension and compression
    • Lacks nerve fibers
    • A vascular
    • Tough but flexible
    • Chondroblasts
    • 80% water
    • Heals slowly
    • Three varieties
      • Hyaline, elastic and fibrocartliage
    Tissues Connective Tissue Connective Tissue Proper Bone Blood Hyaline Cartilage Elastic Cartilage Fibrocartilage http://images.google.com/images?gbv=2&svnum=10&hl=en&q=cartilage+tissue
  • 23. Hyaline Cartilage
    • Amorphous
    • Firm matrix with imperceptible network of collagen fibers
    • Chondrocytes lie in lacunae
    • Functions
      • Supports, cushions and resists compression
    • Forms costal cartilage
    • Present in
      • Embryonic skeleton, ends of long bones, nose, trachea and larynx
    Tissues Connective Tissue Connective Tissue Proper Bone Blood Cartilage Elastic Cartilage Fibrocartilage
  • 24. Elastic Cartilage
    • Similar to hyaline cartilage but with more elastic fibers
    • Maintains shape and structure
    • Allows flexibility
    • Supports
      • External ear and epiglottis
    • Found where strength and stretchability are necessary
    Tissues Connective Tissue Connective Tissue Proper Bone Blood Cartilage Hyaline Cartilage Fibrocartilage
  • 25. Fibrocartilage
    • Matrix similar to hyaline cartilage
    • Less firm with thick collagen fibers
    • Provides tensile strength
    • Absorbs compression shock
    • Present in
      • Intervertebral discs, pubic symphysis and discs of knee joint
    Tissues Connective Tissue Connective Tissue Proper Bone Blood Cartilage Hyaline Cartilage Elastic Cartilage
  • 26. Bone
    • Osseous tissue
    • Hard
    • Calcified matrix with collagen fibers
    • Osteocytes found in lacunae
    • Functions
      • Supports, protects and provides levers for muscular action
    • Stores
      • Calcium, minerals and fat, marrow in bone
    Tissues Connective Tissue Connective Tissue Proper Blood Cartilage
  • 27.
    • Red and white cells in fluid matrix contained within blood vessels
    • Functions in transport of
      • Respiratory gases, nutrients and wastes
    Blood Tissues Connective Tissue Connective Tissue Proper Bone Cartilage
  • 28.
    • Possesses myofilaments
    • 3 types
      • Smooth, skeletal and cardiac
    Muscular Tissue Tissues Smooth Muscle Tissue Skeletal Muscle Tissue Cardiac Muscle Tissue http://images.google.com/images?gbv=2&svnum=10&hl=en&q=muscular+tissue
  • 29.
    • Long, cylindrical, multinucleate cells
    • Functions
      • Initiates and controls voluntary movement
    • Present in
      • Skeletal muscles that attach to bones or skin
    Skeletal Muscle Tissue Tissues Muscular Tissue Smooth Muscle Tissue Cardiac Muscle Tissue http://images.google.com/images?gbv=2&svnum=10&hl=en&q=skeletal+tissue
  • 30.
    • Branching, striated, uninucleate cells that inter-block at intercalated discs
    • Propels blood into circulation
    • Present in walls of heart
    Cardiac Muscle Tissue Tissues Muscular Tissue Smooth Muscle Tissue Skeletal Muscle Tissue http://images.google.com/images?gbv=2&svnum=10&hl=en&q=cardiac+tissue
  • 31.
    • Sheets of spindle
    • Propels substances along internal passageways
    • Present in walls of hollow organs
    • involuntary
    Smooth Muscle Tissue Tissues Muscular Tissue Cardiac Muscle Tissue Skeletal Muscle Tissue http://images.google.com/images?gbv=2&svnum=10&hl=en&q=smooth+muscle+tissue
  • 32.
    • Branched neurons with long cellular processes and supports cells
    • Functions
      • Transmits electrical signals from sensory receptors to effectors
    • Present in
      • Brain, spinal cord and peripheral nerves
    Nervous Tissue Tissues http://images.google.com/images?gbv=2&svnum=10&hl=en&q=nervous+tissue
  • 33.
    • Sound- Adobe Soundbooth and Brittney Bennett
    • Song-Brandon Millares
    • Images from slides 4,6,7,9,11,12,16,17,20,23,24,25,26 and 27 -Brittney Bennett
    • Tissues- http://www.flickr.com/photos/jorrflv/1451540811/in/set-72157602184151046
    • Epithelial Tissue, Simple Epithelial and Simple Columnar- http://images.google.com/images?hl=en&q=epithelial+tissue&gbv=2
    • Stratified epithelial- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=stratified+epithelial
    • Stratified cuboidal- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=stratified+cuboidal
    • Connective Tissue- http://washington.uwc.edu/about/faculty/schaefer_w/TISSUES/fibrous_connective_tissue_tendon.jpg
    • Connective Tissue Proper- http://images.google.com/imgres?imgurl=http://anatomy.iupui.edu/courses/histo_D502/D502f04/Labs.f04/connective%2520lab/s4810x.jpg&imgrefurl=http://anatomy.iupui.edu/courses/histo_D502/D502f04/Labs.f04/connective%2520lab/Lab3f04.html&h=576&w=432&sz=300&hl=en&start=7&tbnid=r2UwEDPOLr2BBM:&tbnh=134&tbnw=101&prev=/images%3Fq%3Dconnective%2Btissue%2Bproper%26gbv%3D2%26svnum%3D10%26hl%3Den
    • Loose Connective Tissue- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=loose+connective+tissue
    • Reticular Connective Tissue- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=reticular+tissue
    • Dense Connective Tissue- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=dense+connective+tissue
    • Dense Irregular- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=dense+irregular+tissue
    • Cartilage - http://images.google.com/images?gbv=2&svnum=10&hl=en&q=cartilage+tissue
    • Muscular Tissue - http://images.google.com/images?gbv=2&svnum=10&hl=en&q=muscular+tissue
    • Skeletal Muscle Tissue- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=skeletal+tissue
    • Cardiac Muscle Tissue - http://images.google.com/images?gbv=2&svnum=10&hl=en&q=cardiac+tissue
    • Smooth Muscle Tissue - http://images.google.com/images?gbv=2&svnum=10&hl=en&q=smooth+muscle+tissue
    • Nervous Tissue- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=nervous+tissue
    • Special thanks to Mr.Orr for letting me live in his room for a whole week!
    Credits

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