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Tissues By Lauren Smith

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Tissues By Lauren Smith

  1. 1. Tissues <ul><li>Similar cells </li></ul><ul><li>Work together to make organs </li></ul><ul><li>4 types </li></ul><ul><ul><li>Connective </li></ul></ul><ul><ul><li>Muscle </li></ul></ul><ul><ul><li>Epithelial </li></ul></ul><ul><ul><li>Nervous </li></ul></ul>Epithelial Connective Muscle Nervous Credits
  2. 2. Epithelial Tissue <ul><li>Covers/lines the body </li></ul><ul><li>Many functions </li></ul><ul><li>Made entirely of cells </li></ul><ul><li>Apical-basal polarity </li></ul><ul><li>Supported by connective tissue </li></ul><ul><li>Special contacts </li></ul><ul><li>Regenerative </li></ul><ul><li>Classified by the number and shape of cells </li></ul>Simple Stratified Psuedostratified Transitional Glandular Home
  3. 3. Connective Tissue <ul><li>Most distributed tissue </li></ul><ul><li>Four classes </li></ul><ul><li>Originates from mesenchyme </li></ul><ul><li>Varying degrees of vascularity </li></ul><ul><li>Nonliving extracellular matrix </li></ul><ul><li>Ground substance </li></ul><ul><li>Cells </li></ul><ul><ul><li>Fibroblasts </li></ul></ul><ul><ul><li>Chondroblasts </li></ul></ul><ul><ul><li>Osteoblasts </li></ul></ul><ul><ul><li>Hematopoietic cells </li></ul></ul><ul><li>Fibers </li></ul><ul><ul><li>Collagen </li></ul></ul><ul><ul><li>Elastic </li></ul></ul><ul><ul><li>reticular </li></ul></ul><ul><li>Functions </li></ul><ul><ul><li>Binding and support </li></ul></ul><ul><ul><li>Protection </li></ul></ul><ul><ul><li>Insulation </li></ul></ul><ul><ul><li>Transportation </li></ul></ul>Embryonic Proper Dense Cartilage Bone Blood Home
  4. 4. Muscle Tissue <ul><li>Gives body movement </li></ul><ul><li>High cell count </li></ul><ul><li>Vascular </li></ul><ul><li>Three classes </li></ul><ul><ul><li>Skeletal </li></ul></ul><ul><ul><li>Cardiac </li></ul></ul><ul><ul><li>Smooth </li></ul></ul>Smooth Cardiac Skeletal Home
  5. 5. Nervous Tissue <ul><li>Makes up brain, spinal cord, and nerves </li></ul><ul><li>Controls body function </li></ul><ul><li>Neurons = nerve cells </li></ul><ul><li>Sends electrical impulses through the body </li></ul><ul><li>Cytoplasmic extensions </li></ul>Home
  6. 6. Simple Epithelial Tissue <ul><li>Thin, single cell layer </li></ul><ul><li>Functions </li></ul><ul><ul><li>Absorption </li></ul></ul><ul><ul><li>Secretion </li></ul></ul><ul><ul><li>Filtration </li></ul></ul>Epithelial Squamos Cuboidal Columnar Home
  7. 7. Simple Squamos Epithelium <ul><li>Flattened cells in a single layer </li></ul><ul><li>Disc-shaped nuclei </li></ul><ul><li>Sparse cytoplasm </li></ul><ul><li>Reduces friction </li></ul><ul><li>Diffuses and filtrates </li></ul><ul><li>Found in kidney glomeruli, lining of the heart, blood vessels, lymphatic system, and serosae </li></ul>Simple Cuboidal Columnar Epithelial Home
  8. 8. Simple Cuboidal Epithelium <ul><li>Single layer of cube-like cells </li></ul><ul><li>Large, spherical, central nuclei </li></ul><ul><li>Secretes and absorbs </li></ul><ul><li>Present in secretory portions of smaller glands, kidney tubules, ducts, and ovary surface </li></ul>Simple Squamos Columnar Epithelial Home
  9. 9. Simple Columnar Epithelium <ul><li>Tall cells in a single layer </li></ul><ul><li>Oval nuclei </li></ul><ul><li>Ciliated or non-ciliated </li></ul><ul><li>Goblet cells </li></ul><ul><li>Absorbs and secretes </li></ul><ul><li>Non-ciliated = digestive tract and gall bladder </li></ul><ul><li>Ciliated = small bronchi, uterus, and uterine tubes </li></ul>Simple Squamos Cuboidal Epithelial Home
  10. 10. Psuedostratified Columnar Epithelium <ul><li>Single layer of cells of different length </li></ul><ul><li>Nuclei seen in different layers </li></ul><ul><li>Secretes and propels mucus </li></ul><ul><li>Ciliated or non-ciliated </li></ul><ul><li>In male sperm-carrying ducts and trachea </li></ul>Epithelial Home
  11. 11. Stratified Epithelium <ul><li>Two or more layers </li></ul><ul><li>Tougher than simple epithelium </li></ul><ul><li>Regenerate underneath </li></ul>Squamos Cuboidal Columnar Epithelial Home
  12. 12. Stratified Squamos Epithelium <ul><li>Several layers </li></ul><ul><li>Protects areas subject to abrasion </li></ul><ul><li>Forms outer part of epidermis, lining of esophagus, vagina, and mouth </li></ul>Stratified Cuboidal Columnar Epithelial Home
  13. 13. Stratified Cuboidal Epithelium <ul><li>Rarely found </li></ul><ul><li>Two cell layers </li></ul><ul><li>In some sweat glands and mammary glands </li></ul>Stratified Squamos Columnar Epithelial Home
  14. 14. Stratified Columnar Epithelium <ul><li>Hard to find in the body </li></ul><ul><li>Found in the pharynx, male urethra, and lining some glandular ducts </li></ul>Stratified Squamos Cuboidal Epithelial Home
  15. 15. Transitional Epithelium <ul><li>Many layers </li></ul><ul><li>Basal cells = cuboidal </li></ul><ul><li>Surface cells = dome-shaped </li></ul><ul><li>In the urinary bladder, ureter and part of urethra </li></ul>Epithelial Home
  16. 16. Glandular Epithelium <ul><li>Gland = one or more cells that make and secrete an aqueous fluid </li></ul><ul><li>Types </li></ul><ul><ul><li>Endocrine </li></ul></ul><ul><ul><li>Exocrine </li></ul></ul><ul><li>Classified by </li></ul><ul><ul><li>The number of cells formed </li></ul></ul><ul><ul><li>Where the product is released </li></ul></ul>Endocrine Exocrine Epithelial Home
  17. 17. Endocrine Glands <ul><li>Ductless </li></ul><ul><li>Produces hormones containing amino acids, proteins, glycoproteins, and steroids </li></ul><ul><li>Spread out in the digestive system and the brain </li></ul>Glandular Exocrine Epithelial Home
  18. 18. Exocrine Glands <ul><li>Numerous </li></ul><ul><li>Secretes on surface </li></ul><ul><li>Can by unicellular or multicellular </li></ul><ul><li>Many kinds </li></ul><ul><ul><li>Mucous </li></ul></ul><ul><ul><li>Sweat </li></ul></ul><ul><ul><li>Oil </li></ul></ul><ul><ul><li>Salivary </li></ul></ul>Glandular Endocrine Epithelial Home
  19. 19. Unicellular Exocrine Gland <ul><li>Goblet cell </li></ul><ul><li>In intestinal tract and respiratory tract </li></ul><ul><li>Produces mucin a.k.a. mucus </li></ul>Glandular Multicellular Exocrine Endocrine Epithelial Home
  20. 20. Multicellular Exocrine Glands <ul><li>Classified by shape </li></ul><ul><li>Simple or compound duct </li></ul><ul><li>Structure of secretory glands </li></ul><ul><li>Secrete by exocytosis (merocine) or by the rupture of gland cells (holocrine) </li></ul>Glandular Unicellular Exocrine Endocrine Epithelial Home
  21. 21. Embryonic Tissue <ul><li>A.k.a. mesenchyme </li></ul><ul><li>Ground substance with fibers </li></ul><ul><li>Star-shaped cells </li></ul><ul><li>The start of all connective tissue </li></ul><ul><li>Found in embryo </li></ul>Connective Home
  22. 22. Connective Tissue Proper <ul><li>Two categories </li></ul><ul><ul><li>Loose connective tissues </li></ul></ul><ul><ul><li>Dense connective tissues </li></ul></ul>Connective Loose Dense Home
  23. 23. Connective Tissue Proper: Loose <ul><li>Divided into: </li></ul><ul><ul><li>Areolar </li></ul></ul><ul><ul><li>Adipose </li></ul></ul><ul><ul><li>Reticular </li></ul></ul>Connective Proper Dense Areolar Adipose Reticular Home
  24. 24. Areolar Connective Tissue <ul><li>Gel-like matrix w/ all three connective fibers </li></ul><ul><li>Has fibroblasts, macrophages, mast cells, and white blood cells </li></ul><ul><li>Protects organs </li></ul><ul><li>Widely distributed </li></ul>Connective Proper Dense Loose Adipose Reticular Home
  25. 25. Adipose Connective Tissue <ul><li>Matrix similar to areolar tissue </li></ul><ul><li>Reserves food stores </li></ul><ul><li>Insulates against heat loss </li></ul><ul><li>Supports and protects </li></ul><ul><li>Fat deposits give nutrients to very active organs </li></ul><ul><li>Found under skin, around kidneys and in breasts </li></ul>Connective Proper Dense Loose Reticular Areolar Home
  26. 26. Reticular Connective Tissue <ul><li>Loose, ground tissue w/ reticular fibers in matrix </li></ul><ul><li>Cells lie in a fiber network </li></ul><ul><li>Forms a stroma that supports other cells </li></ul><ul><li>In the lymph nodes, the marrow, and the spleen </li></ul>Connective Proper Loose Dense Areolar Adipose Home
  27. 27. Connective Tissue Proper: Dense <ul><li>Fibrous connective tissues </li></ul><ul><li>Three subclasses </li></ul><ul><ul><li>Dense regular </li></ul></ul><ul><ul><li>Dense irregular </li></ul></ul><ul><ul><li>Elastic </li></ul></ul>Connective Proper Loose Dense Irregular Regular Home
  28. 28. Dense Regular Connective Tissue <ul><li>Collagen and elastic tissue run parallel </li></ul><ul><li>Cell type = fibroblasts </li></ul><ul><li>Attaches muscle to bone or to other muscles or bone to bone </li></ul><ul><li>In tendons and ligaments </li></ul>Connective Proper Loose Dense Irregular Home
  29. 29. Dense Irregular Connective Tissue <ul><li>Same as dense regular but arranged randomly </li></ul><ul><li>Fibroblasts </li></ul><ul><li>Can stand under tension </li></ul><ul><li>Found in dermis, submucosa of the digestive tract and forms fibrous organ capsules </li></ul>Connective Proper Loose Dense Regular Home
  30. 30. Cartilage <ul><li>Can stand pressure and tension </li></ul><ul><li>Avascular </li></ul><ul><li>No nerve fibers </li></ul><ul><li>Chondroblasts </li></ul><ul><li>Types </li></ul><ul><ul><li>Hyaline </li></ul></ul><ul><ul><li>Elastic </li></ul></ul><ul><ul><li>Fibrocartilage </li></ul></ul>Connective Hyaline Elastic Fibrocartilage Home
  31. 31. Hyaline Cartilage <ul><li>amorphous, glassy firm matrix w/ imperceptible network of collagen fibers </li></ul><ul><li>Chondrocytes lie in lacunae </li></ul><ul><li>Supports, reinforces, cushions </li></ul><ul><li>Forms the costal cartilage </li></ul><ul><li>Found in the embryonic skeleton, the end of the bones, nose, trachea, larynx, and ribs </li></ul><ul><li>Most common </li></ul>Connective Cartilage Elastic Fibrocartilage Home
  32. 32. Elastic Cartilage <ul><li>More elastic fibers than hyaline </li></ul><ul><li>Maintains structure and shape </li></ul><ul><li>In the external ear and the epiglottis </li></ul>Connective Cartilage Hyaline Fibrocartilage Home
  33. 33. Fibrocartilage <ul><li>Matrix similar to hyaline but less firm w/ collagen fibers </li></ul><ul><li>Can compress </li></ul><ul><li>Resists tension </li></ul><ul><li>Found in intervertebral discs, the discs of the knee, and the pubic symphysis </li></ul>Connective Cartilage Hyaline Elastic Home
  34. 34. Bone a.k.a. Osseous Tissue <ul><li>Hard, calcified matrix w/ collagen fibers </li></ul><ul><li>Osteocytes found in lacunae </li></ul><ul><li>Provides base for muscles to move </li></ul><ul><li>Protects and supports </li></ul><ul><li>Stores calcium, minerals, fat, marrow </li></ul><ul><li>Site of hematopoiesis </li></ul>Connective Home
  35. 35. Blood <ul><li>Plasma matrix with red and white blood cells </li></ul><ul><li>Contained in blood vessels </li></ul><ul><li>Transports respiratory gas, nutrients, and waste </li></ul>Connective Home
  36. 36. Skeletal Muscle Tissue <ul><li>Attach to bones or skin </li></ul><ul><li>Initiates and controls voluntary movement </li></ul><ul><li>Long cylindrical cells w/ many nuclei; banded </li></ul>Muscle Cardiac Smooth Home
  37. 37. Cardiac Muscle Tissue <ul><li>Propels blood into circulation </li></ul><ul><li>Branched cells interlock at intercalated discs; striated </li></ul><ul><li>Found only in the walls of the heart </li></ul>Muscle Skeletal Smooth Home
  38. 38. Smooth Muscle Tissue <ul><li>Has no visible striations </li></ul><ul><li>Sheets of spindle-shaped cells w/ central nuclei </li></ul><ul><li>Found in hollow walls of organs </li></ul><ul><li>Propels substances along internal passageways </li></ul>Muscle Cardiac Skeletal Home
  39. 39. <ul><li>Slide show by </li></ul><ul><li>Lauren Smith </li></ul><ul><li>Narration by </li></ul><ul><li>Lauren Smith </li></ul><ul><li>Thanks for the Photos… </li></ul><ul><li>Danielkenneth (Kleenex) </li></ul><ul><li>Donna Meyers (Epithelial Tissue) </li></ul><ul><li>Performance Health Group (Hand) </li></ul><ul><li>Dr. Schaefer from Washington U. (Fibrous Connective Tissue) </li></ul><ul><li>And (Reticular Connective Tissue) </li></ul><ul><li>Suchakar Ken Mcrae from Global Yoga Journeys (muscle) </li></ul><ul><li>Developmental Online (Simple Epithelial Tissue) </li></ul><ul><li>Cell Biology Graduates from the University of Texas (Stratified Squamos Epithelium) </li></ul><ul><li>McGraw-Hill Companies (Stratified Cuboidal Epithelium) </li></ul><ul><li>Harris from BIODIDAC (Stratified Columnar Epithelium) </li></ul><ul><li>UNM Valencia (Glandular Epithelium) </li></ul><ul><li>Department of Anatomy of Wisconsin U. (Endocrine Gland) </li></ul><ul><li>Pathguy at Kansas City U (Exocrine Gland) </li></ul><ul><li>The University of Western Australia (Multicellular Exocrine Gland) </li></ul><ul><li>Wikipedia (Mesenchyme) </li></ul><ul><li>Raenielyn from coffeblackandcigaretter.wordpress.com (Connective Tissue Proper) </li></ul><ul><li>And (Connective Tissue Proper Dense) </li></ul><ul><li>University of Medicine and Dentistry of New Jersey (Connective Tissue Proper Loose) </li></ul><ul><li>Rest of the photos by </li></ul><ul><li>Lauren Smith and Cameron Tripp </li></ul><ul><li>Music (Pink Panther) by Henry Mancini </li></ul>Home

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