Tissues <ul><li>Groups of cells similar in  </li></ul><ul><li>structure and function </li></ul><ul><li>Four major types of...
Epithelial Tissue <ul><li>Composed almost entirely of </li></ul><ul><li>cells </li></ul><ul><li>Continuous sheets of tissu...
Simple Epithelia <ul><li>Single layer of cells </li></ul><ul><li>Three types </li></ul><ul><li>- Squamous </li></ul><ul><l...
Simple Squamous <ul><li>Single layer of cells </li></ul><ul><li>Cells are flattened and thin </li></ul><ul><li>Functions i...
Simple Cuboidal <ul><li>Single layer of cells </li></ul><ul><li>Cells are cube shaped </li></ul><ul><li>Functions include:...
Simple Columnar <ul><li>Single layer of cells </li></ul><ul><li>tall cells that often contain  </li></ul><ul><li>cilia </l...
Pseudostratified Columnar <ul><li>Single layer of cells </li></ul><ul><li>Cells at different heights </li></ul><ul><li>-so...
Stratified Epithelia <ul><li>Multiple layer of cells </li></ul><ul><li>Three different cell types: </li></ul><ul><li>-squa...
Stratified Squamous <ul><li>Multiple layers of cells </li></ul><ul><li>Flattened cells form a thick </li></ul><ul><li>memb...
Stratified Cuboidal & Columnar <ul><li>Stratified cuboidal: </li></ul><ul><li>-rare in the body </li></ul><ul><li>-typical...
Transitional Epithelia <ul><li>Several layers of cells </li></ul><ul><li>Basal cells are cuboidal </li></ul><ul><li>Surfac...
Connective Tissue <ul><li>Found throughout the body </li></ul><ul><li>Most abundant primary tissue </li></ul><ul><li>four ...
Connective tissue proper <ul><li>Two sub-categories: </li></ul><ul><li>-loose </li></ul><ul><li>-dense </li></ul>Loose Den...
Loose connective tissue <ul><li>Three sub-categories: </li></ul><ul><li>-areolar </li></ul><ul><li>-adipose </li></ul><ul>...
Areolar connective tissue <ul><li>Has all three connective </li></ul><ul><li>tissue fibers </li></ul><ul><li>Gel-like matr...
Adipose connective tissue <ul><li>Gel-like matrix with </li></ul><ul><li>tightly packed  </li></ul><ul><li>adipocytes </li...
Reticular connective tissue <ul><li>Loose ground substance </li></ul><ul><li>with reticular fibers </li></ul><ul><li>Found...
Dense connective tissue <ul><li>Two sub-categories: </li></ul><ul><li>-dense regular </li></ul><ul><li>-dense irregular </...
Dense regular <ul><li>Has collagen and elastic </li></ul><ul><li>fibers </li></ul><ul><li>Major cell type are  </li></ul><...
Dense irregular  <ul><li>Irregularly arranged collagen </li></ul><ul><li>fibers with some elastic  </li></ul><ul><li>fiber...
Cartilage <ul><li>Three sub-categories: </li></ul><ul><li>-hyaline </li></ul><ul><li>-elastic </li></ul><ul><li>-fibrocart...
Hyaline cartilage <ul><li>Firm matrix </li></ul><ul><li>Consists of chondrocytes  </li></ul><ul><li>that lie in lacunae </...
Elastic cartilage <ul><li>Similar to hyaline cartilage </li></ul><ul><li>but with more elastic fibers </li></ul><ul><li>Ma...
Fibrocartilage <ul><li>Matrix similar to hyaline </li></ul><ul><li>cartilage with thick  </li></ul><ul><li>collagen fibers...
Bone tissue <ul><li>Hard, calcified matrix with </li></ul><ul><li>collagen fibers found in bone </li></ul><ul><li>Stores c...
Blood tissue <ul><li>Fluid matrix </li></ul><ul><li>Contained in blood vessels </li></ul>Connective
Nervous Tissue <ul><li>Transmits electrical </li></ul><ul><li>signals  </li></ul>
Muscle Tissue <ul><li>Three sub-categories: </li></ul><ul><li>-skeletal </li></ul><ul><li>-cardiac </li></ul><ul><li>-smoo...
Skeletal muscle tissue <ul><li>Long cells with obvious  </li></ul><ul><li>striations </li></ul><ul><li>Initiates and contr...
Cardiac muscle tissue <ul><li>Propels blood into </li></ul><ul><li>circulation </li></ul><ul><li>Involuntary </li></ul>Ske...
Smooth Muscle Tissue <ul><li>Sheets of spindle-shaped </li></ul><ul><li>cells </li></ul><ul><li>Propels substances along <...
Credits Sound on all slides: Kourtney Scherrer Photos on all slides: flickr.com Content on all slides: Kourtney Scherrer
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Tissue Project Kourtney Scherrer2

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Tissue Project Kourtney Scherrer2

  1. 1. Tissues <ul><li>Groups of cells similar in </li></ul><ul><li>structure and function </li></ul><ul><li>Four major types of tissues </li></ul><ul><li>- Epithelial </li></ul><ul><li>- Connective </li></ul><ul><li>- Muscle </li></ul><ul><li>- Nerve </li></ul>Epithelial Connective Muscle Nerve Credits
  2. 2. Epithelial Tissue <ul><li>Composed almost entirely of </li></ul><ul><li>cells </li></ul><ul><li>Continuous sheets of tissue </li></ul><ul><li>held tightly together by </li></ul><ul><li>desmosomes </li></ul><ul><li>Classified by number of layers </li></ul><ul><li>and shape of cells </li></ul>Simple Stratified
  3. 3. Simple Epithelia <ul><li>Single layer of cells </li></ul><ul><li>Three types </li></ul><ul><li>- Squamous </li></ul><ul><li>- Cuboidal </li></ul><ul><li>- Columnar </li></ul>Squamous Cuboidal Columnar Pseudostratified columnar Epithelial
  4. 4. Simple Squamous <ul><li>Single layer of cells </li></ul><ul><li>Cells are flattened and thin </li></ul><ul><li>Functions include: </li></ul><ul><li>-diffusion and filtration </li></ul><ul><li>-lining for lymphatic and </li></ul><ul><li>cardiovascular systems </li></ul>Cuboidal Columnar Pseudostratified Columnar Epithelial
  5. 5. Simple Cuboidal <ul><li>Single layer of cells </li></ul><ul><li>Cells are cube shaped </li></ul><ul><li>Functions include: </li></ul><ul><li>-secretion </li></ul><ul><li>-absorption </li></ul>Squamous Columnar Pseudostratified Columnar Epithelial
  6. 6. Simple Columnar <ul><li>Single layer of cells </li></ul><ul><li>tall cells that often contain </li></ul><ul><li>cilia </li></ul><ul><li>Functions include: </li></ul><ul><li>-absorption </li></ul><ul><li>-secretion </li></ul><ul><li>-storage </li></ul><ul><li>Goblet cells found in this </li></ul><ul><li>layer </li></ul>Squamous Cuboidal Pseudostratified Columnar Epithelial
  7. 7. Pseudostratified Columnar <ul><li>Single layer of cells </li></ul><ul><li>Cells at different heights </li></ul><ul><li>-some don’t reach the surface </li></ul><ul><li>Functions include: </li></ul><ul><li>-secretion </li></ul><ul><li>-propulsion of mucus </li></ul>Squamous Cuboidal Columnar Epithelial
  8. 8. Stratified Epithelia <ul><li>Multiple layer of cells </li></ul><ul><li>Three different cell types: </li></ul><ul><li>-squamous </li></ul><ul><li>-cuboidal </li></ul><ul><li>-columnar </li></ul>Squamous Cuboidal & Columnar Transitional Epithelial
  9. 9. Stratified Squamous <ul><li>Multiple layers of cells </li></ul><ul><li>Flattened cells form a thick </li></ul><ul><li>membrane </li></ul><ul><li>Functions include: </li></ul><ul><li>-protection </li></ul>Cuboidal & Columnar Transitional Epithelial
  10. 10. Stratified Cuboidal & Columnar <ul><li>Stratified cuboidal: </li></ul><ul><li>-rare in the body </li></ul><ul><li>-typically two cell layers </li></ul><ul><li>thick </li></ul><ul><li>Stratified columnar: </li></ul><ul><li>-limited distribution in the </li></ul><ul><li>body </li></ul>Squamous Transitional Epithelial
  11. 11. Transitional Epithelia <ul><li>Several layers of cells </li></ul><ul><li>Basal cells are cuboidal </li></ul><ul><li>Surface cells are dome shaped </li></ul><ul><li>Functions include: </li></ul><ul><li>-stretchiness to permit </li></ul><ul><li>distension </li></ul>Squamous Cuboidal & Columnar Epithelial
  12. 12. Connective Tissue <ul><li>Found throughout the body </li></ul><ul><li>Most abundant primary tissue </li></ul><ul><li>four sub-categories: </li></ul><ul><li>-connective tissue proper </li></ul><ul><li>-cartilage </li></ul><ul><li>-bone </li></ul><ul><li>-blood </li></ul>Proper C artilage Bone Blood
  13. 13. Connective tissue proper <ul><li>Two sub-categories: </li></ul><ul><li>-loose </li></ul><ul><li>-dense </li></ul>Loose Dense Connective
  14. 14. Loose connective tissue <ul><li>Three sub-categories: </li></ul><ul><li>-areolar </li></ul><ul><li>-adipose </li></ul><ul><li>-reticular </li></ul>Areolar Adipose Reticular Connective
  15. 15. Areolar connective tissue <ul><li>Has all three connective </li></ul><ul><li>tissue fibers </li></ul><ul><li>Gel-like matrix </li></ul><ul><li>Widely distributed </li></ul><ul><li>throughout the body </li></ul>Adipose Reticular Connective
  16. 16. Adipose connective tissue <ul><li>Gel-like matrix with </li></ul><ul><li>tightly packed </li></ul><ul><li>adipocytes </li></ul><ul><li>Reserves food-stores </li></ul><ul><li>Insulates against heat </li></ul><ul><li>loss </li></ul><ul><li>Supports and protects </li></ul>Areolar Reticular Connective
  17. 17. Reticular connective tissue <ul><li>Loose ground substance </li></ul><ul><li>with reticular fibers </li></ul><ul><li>Found in: </li></ul><ul><li>-lymph nodes </li></ul><ul><li>-bone marrow </li></ul><ul><li>-spleen </li></ul>Areolar Adipose Connective
  18. 18. Dense connective tissue <ul><li>Two sub-categories: </li></ul><ul><li>-dense regular </li></ul><ul><li>-dense irregular </li></ul>Regular Irregular Connective
  19. 19. Dense regular <ul><li>Has collagen and elastic </li></ul><ul><li>fibers </li></ul><ul><li>Major cell type are </li></ul><ul><li>fibroblasts </li></ul><ul><li>Make up tendons, </li></ul><ul><li>ligaments, and aponeuroses </li></ul>Irregular Connective
  20. 20. Dense irregular <ul><li>Irregularly arranged collagen </li></ul><ul><li>fibers with some elastic </li></ul><ul><li>fibers </li></ul><ul><li>Major cell type is fibroblasts </li></ul>Regular Connective
  21. 21. Cartilage <ul><li>Three sub-categories: </li></ul><ul><li>-hyaline </li></ul><ul><li>-elastic </li></ul><ul><li>-fibrocartilage </li></ul>Hyaline Elastic Fibrocartilage Connective
  22. 22. Hyaline cartilage <ul><li>Firm matrix </li></ul><ul><li>Consists of chondrocytes </li></ul><ul><li>that lie in lacunae </li></ul><ul><li>Forms the costal cartilage </li></ul>Elastic Fibrocartilage Connective
  23. 23. Elastic cartilage <ul><li>Similar to hyaline cartilage </li></ul><ul><li>but with more elastic fibers </li></ul><ul><li>Maintains shape and </li></ul><ul><li>structure while allowing </li></ul><ul><li>flexibility </li></ul>Hyaline Fibrocartilage Connective
  24. 24. Fibrocartilage <ul><li>Matrix similar to hyaline </li></ul><ul><li>cartilage with thick </li></ul><ul><li>collagen fibers </li></ul><ul><li>Provides tensile strength </li></ul>Hyaline Elastic Connective
  25. 25. Bone tissue <ul><li>Hard, calcified matrix with </li></ul><ul><li>collagen fibers found in bone </li></ul><ul><li>Stores calcium, minerals, and </li></ul><ul><li>fat </li></ul>Connective
  26. 26. Blood tissue <ul><li>Fluid matrix </li></ul><ul><li>Contained in blood vessels </li></ul>Connective
  27. 27. Nervous Tissue <ul><li>Transmits electrical </li></ul><ul><li>signals </li></ul>
  28. 28. Muscle Tissue <ul><li>Three sub-categories: </li></ul><ul><li>-skeletal </li></ul><ul><li>-cardiac </li></ul><ul><li>-smooth </li></ul>Skeletal Cardiac Smooth
  29. 29. Skeletal muscle tissue <ul><li>Long cells with obvious </li></ul><ul><li>striations </li></ul><ul><li>Initiates and controls </li></ul><ul><li>voluntary movement </li></ul>Cardiac Smooth Muscle
  30. 30. Cardiac muscle tissue <ul><li>Propels blood into </li></ul><ul><li>circulation </li></ul><ul><li>Involuntary </li></ul>Skeletal Smooth Muscle
  31. 31. Smooth Muscle Tissue <ul><li>Sheets of spindle-shaped </li></ul><ul><li>cells </li></ul><ul><li>Propels substances along </li></ul><ul><li>internal passageways </li></ul>Skeletal Cardiac Muscle
  32. 32. Credits Sound on all slides: Kourtney Scherrer Photos on all slides: flickr.com Content on all slides: Kourtney Scherrer

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