Chelseastissues
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  • 1. Tissues
    • Groups of cells that are similar in structure
    • Perform a common function
    • 4 types: epithelial, muscle, nervous, connective
    Epithelia , Nerve , Connective , Muscle , Credits
  • 2. Nerve
    • Makes up the brain, spinal cord, and nerves
    • Regulate and control body functions
    • Branching cells
    • Long cell processes
    • Transmit electrical signals from sensory receptors and to effectors
    Tissues , Neurons
  • 3. Neurons
    • Branching cells
    • Extended cell processes
    • Generate and conduct nerve impulses
    • Consists of supporting cells
    Nerve http://www.histology-world.com/photomicrographs/multipolarcells.jpg
  • 4. Connective Tissue
    • Found everywhere in the body
    • Originate from mesenchyme
    • Have varying degrees of vascularity
    • Largely nonliving extra cellular matrix
    Tissues , Proper , Blood , Bone , Cartilage http://www.mhhe.com/biosci/ap/histology_mh/densreg3.jpg
  • 5. Bone (Osseous Tissue)
    • Hard, calcified matrix containing many collagen fibers
    • Osteocytes lie in lacunae
    • Very well vascularized
    Connective , Blood , Proper , Cartilage
  • 6. Blood
    • Red and white blood cells in a fluid matrix
    • Contained within blood vessels
    Connective tissue , Bone , Proper , Cartilage
  • 7. Proper
    • Two subclasses: loose connective tissues and dense connective tissues
    • Type of connective tissue
    Connective , Bone , Blood , Cartilage , Loose , Dense http://meded.ucsd.edu/hist-img-bank/chapter_5/Slide_72_scalp/thumbnails/5.72.1.1.jpg
  • 8. Loose Connective Tissue
    • Three subclasses: areolar, adipose, and reticular
    • Type of proper connective tissue
    Connective , Proper , Dense , Areolar , Adipose , Reticular , http://sacs.vetmed.ufl.edu/histo/21a.gif
  • 9. Areolar Connective Tissue
    • Gel-like matrix with all three fiber types
    • Cells are fibroblasts, macrophages, mast cells, and some white blood cells
    Connective , Proper , Loose , Adipose , Reticular
  • 10. Adipose Connective Tissue
    • Matrix like areolar
    • Very sparse
    • Closely packed adiposities
    Connective , Proper , Loose , Areolar , Reticular
  • 11. Reticular Connective Tissue
    • Network together in a typical loose ground substance
    • Reticular cells lie on the network
    Connective , Proper , Loose , Areolar , Adipose http://www.mhhe.com/biosci/ap/histology_mh/reticct.jpg
  • 12. Dense Connective Tissue
    • Consists of two subclasses: dense regular and dense irregular
    • Type of loose tissue
    Connective , Proper , Loose , Dense regular , Dense irregular http://waukesha.uwc.edu/lib/reserves/pdf/zillgitt/zoo170/histology/unit1/White%20Fibrous%20Tissue(Dense%20Connective%20Tissue)%20high%20power.jpg
  • 13. Dense Regular
    • Primarily parallel collagen fibers
    • Few elastin fibers
    • Major cell type is the fibroblast
    Connective , Proper , Dense , Dense irregular
  • 14. Dense Irregular
    • Primarily irregularly arranged collagen fibers
    • Some elastic fibers
    • Major cell type is the fibroblast
    Connective , Proper , Dense , Dense Regular http://sacs.vetmed.ufl.edu/histo/25a_sm.gif
  • 15. Cartilage
    • Stands up to both tension and compression
    • Has qualities intermediate between dense connective tissue and bone
    Tissues , Connective , Hyaline , Elastic , Fibrocartilage
  • 16. Hyaline Cartilage
    • Amorphous but firm matrix
    • Collagen fibers form an imperceptible network
    • Chondroblasts produce the matrix and when mature lie in lacunae
    Connective , Cartilage , Elastic , Fibrocartilage
  • 17. Elastic Cartilage
    • Very similar to hyaline
    • Has more elastic fibers in its matrix
    Connective , Cartilage , Hyaline , Fibrocartilage
  • 18. Fibrocartilage
    • Matrix similar to but less firm than in hyaline cartilage
    • Thick collagen fibers predominate
    Connective , Cartilage , Hyaline , Elastic
  • 19. Muscle
    • Highly cellular
    • Well vascularized tissues
    • Possess my filaments
    Tissues , Skeletal , Smooth , Cardiac http://images.google.com/imgres?imgurl=http://meded.ucsd.edu/hist-img-bank/chapter_3/Slides_43_44_45_cardiac/thumbnails/b.2.45.1.2.jpg&imgrefurl=http://meded.ucsd.edu/hist-img-bank/chapter_3/Slides_43_44_45_cardiac/index.htm&h=262&w=350&sz=15&hl=en&start=7&um=1&tbnid=9zn3zXAOBI13dM:&tbnh=90&tbnw=120&prev=/images%3Fq%3Dmuscle%2Bslide%26svnum%3D10%26um%3D1%26hl%3Den%26safe%3Doff
  • 20. Skeletal Muscle
    • Long, cylindrical, multinucleate cells
    • Obvious striations
    Cardiac , Smooth , Muscle
  • 21. Smooth
    • Spindle-shaped with central nuclei
    • No striation
    • Cells arranged closely to form sheets
    Skeletal , Cardiac , Muscle
  • 22. Cardiac
    • Branching, striated, generally uninucleate cells that interdigitate at specialized junctions
    Muscle , Skeletal , Smooth
  • 23. Epithelia
    • Classified by the number of cell layers present and shape of its cells
    Tissues , Stratified , Simple
  • 24. Simple Epithelia
    • Single cell layer
    • Subclasses: Columnar, Squamous, Cuboidal, Pseudostratified
    Tissues , Epithelia , Stratified , Simple Columnar , Simple Cuboidal , Simple Squamous , Pseudostratified
  • 25. Simple Columnar Epithelium
    • Single layer of tall cells with round to oval nuclei
    • Some cells bear cilia
    • Layer may contain mucus-secreting unicellular glands
    Tissues , Epithelia , Simple , Simple Columnar , Simple Cuboidal , Simple Squamous , Pseudostratified
  • 26. Simple Squamous Epithelium
    • Single layer of flattened cells with disc-shaped central nuclei
    • Sparse cytoplasm
    • Simplest of the epithelia
    Epithelia , Simple , Simple Columnar , Simple Cuboidal , Pseudostratified
  • 27. Simple Cuboidal Epithelium
    • Single layer of cube like cells with large, spherical central nuclei
    Epithelia , Simple , Simple Columnar , Simple Squamous , Pseudostratified
  • 28. Pseudostratified Columnar Epithelium
    • Single layer of cells of differing heights
    • Some not reaching the free surface
    • Nuclei seen at different levels
    • May contain goblet cells and bear cilia
    Epithelia , Simple , Simple Cuboidal , Simple Columnar , Simple Squamous
  • 29. Stratified Epithelia
    • Two or more cell layers
    • Subclasses: Stratified Cuboidal, Stratified Columnar, Stratified Squamous, Transitional
    Epithelia , Simple , Stratified Cuboidal , Stratified Columnar , Stratified Squamous , Transitional
  • 30. Stratified Cuboidal
    • Very rare
    • Found in the ducts of glands
    Epithelia , Simple , Stratified , Stratified Columnar , Stratified Squamous , Transitional http://cellbio.utmb.edu/microanatomy/skin/breast%20ct.jpg
  • 31. Stratified Columnar
    • Limited distribution
    • Found in the pharnyx, male urethra, and the lining of some glandular ducts
    Epithelia , Stratified , Stratified Cuboidal , Stratified Squamous , Transitional
  • 32. Stratified Squamous
    • Thick membrane composed of several cell layers
    • Basal cells are cuboidal or columnar and metabolically active
    • Surface cells are flattened
    Epithelia , Stratified , Stratified Cuboidal , Stratified Columnar , Transitional
  • 33. Transitional Epithelium
    • Resembles both stratified squamous and stratified cuboidal
    • Basal cells cuboidal or columnar
    • Surface cells dome shaped or squamous like
    Epithelia , Stratified , Stratified Cuboidal , Stratified Squamous , Stratified Columnar
  • 34. Credits
    • Neurons picture- http://www.histology-world.com/photomicrographs/multipolarcells.jpg
    • Connective tissue- http://www.mhhe.com/biosci/ap/histology_mh/densreg3.jpg
    • Proper ct slide- http://meded.ucsd.edu/hist-img-bank/chapter_5/Slide_72_scalp/thumbnails/5.72.1.1.jpg
    • Loose ct- http://sacs.vetmed.ufl.edu/histo/21a.gif
    • Reticular ct- http://www.mhhe.com/biosci/ap/histology_mh/reticct.jpg
    • Dense ct-
    • http://waukesha.uwc.edu/lib/reserves/pdf/zillgitt/zoo170/histology/unit1/White%20Fibrous%20Tissue(Dense%20Connective%20Tissue)%20high%20power.jpg
    • Dense ir- http://sacs.vetmed.ufl.edu/histo/25a_sm.gif
    • Muscle-
    • http://images.google.com/imgres?imgurl=http://meded.ucsd.edu/hist-img-bank/chapter_3/Slides_43_44_45_cardiac/thumbnails/b.2.45.1.2.jpg&imgrefurl=http://meded.ucsd.edu/hist-img-bank/chapter_3/Slides_43_44_45_cardiac/index.htm&h=262&w=350&sz=15&hl=en&start=7&um=1&tbnid=9zn3zXAOBI13dM:&tbnh=90&tbnw=120&prev=/images%3Fq%3Dmuscle%2Bslide%26svnum%3D10%26um%3D1%26hl%3Den%26safe%3Doff
    • Stratified cuboidal- http://cellbio.utmb.edu/microanatomy/skin/breast%20ct.jpg
    • Peace sign-http://images.google.com/images?svnum=10&um=1&hl=en&safe=off&q=peace+sign
    Tissues