Week 2

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Author:
kbalanon
ID:
195546
Filename:
Week 2
Updated:
2013-01-27 09:38:59
Tags:
bio141TCC
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Description:
Tissue
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  1. Two major groups of tissue
    • Germ
    • Somatic
  2. Germ
    • Reproductive cells
    • (ovum & sperm)
  3. Somatic
    • All other tissue
    • (Epithelial, Connective, Muscle, Nerve)
  4. Epithelial tissue characteristics
    • Exposed (apical/free) surface
    • No intercellular space=no marix
    • Attached to underlying connective tissue
  5. Epithelial tissue cell shapes
    • squamous 
    • Columnar
    • Cuboidal
    • Transitional 
  6. Squamous
    flat cells
  7. Columnar
    • Column shaped
    • Has cillia on free surface
  8. Cuboidal
    "Cube shaped" 
  9. Transitional
    • surface cells are rounded and binucleated
    • **No slide of this is available in lab
  10. Simple layering
    one cell layer thick
  11. Stratified
    more than one layer thick
  12. Pseudostratified
    false layering, appears stratified, but all cells touch base layer
  13. Transitional
    Stratified, deeper layers are cuboidal/columnar
  14. Simple squamous epithelial function
    • diffusion
    • filtration
    • absorbtion
  15. Simple squamous epithelial location
    • Alveoli
    • blood vessels
    • serous membrane
  16. Stratified squamous epithelial function
    • protection
    • physical barriar
  17. Stratified squamous epithelial location
    • Epidermis
    • lining of mouth
  18. Simple cuboidal epithelial function
    • secretion
    • filtration
  19. Simple cuboidal epithelial location
    • kidney tubules
    • glandular ducts
  20. Simple columnar epithelial function
    • Absorption
    • Mucus secretion
  21. Simple columnar epithelial location
    lining of stomach, intestine, colon, uterus
  22. pseudo stratified ciliated columnar epithelial function
    mucus secetion
  23. pseudo stratified ciliated columnar epithelial location
    lining of trachea
  24. Transitional epithelial function
    Permits stretching and distention with recoil
  25. Transitional epithelial location
    urinary bladder
  26. Connective tissue characteristics 
    has intercellular spaces filled with matrix
  27. liquid matrix
    blood
  28. semi solid matrix
    cartilige
  29. solid matrix
    bone
  30. three sub categories of connective tissue
    • connective tissue proper
    • supportive connective
    • vascular connective
  31. connective tissue proper
    • Areolar/loose connective
    • Adipose connective
    • Reticular connective
    • Dense/Fibrous connective
  32. supportive connective
    • Hyaline cartilage
    • Elastic cartilage
    • Fibrocartilage
    • Bone/osseous connective
  33. vascular connective
    Blood lymph
  34. types of fibers
    • collagenous
    • elastic
    • reticular
  35. Collagenous fibers
    white, thick, thogh, and strong
  36. Elastic fibers
    thin and elastic (very distinct)
  37. Reticular fibers
    Delicate, branched, and jagged in apperance
  38. Types of cells in connective tissue
    • fibroblast
    • mast cells
    • mesenchymal
    • macrophages
  39. fibroblast
    produce fibers
  40. mast cells
    produce histamine and heparin
  41. Mesenchymal
    Unspecialized
  42. Macrophages
    Phagocytotic
  43. Vascular connective tissue cell types
    • erythrocytes
    • leukocytes
    • thrombocytes
  44. erythrocytes
    • anucleated and biconcave
    • transport oxygen to cells
  45. leukocytes
    • nucleaed
    • immunity against microorganisms
  46. thrombocytes
    • cell fragments
    • function in clotting  process
  47. cartilage 
    lacunae in matrix contain cartilage cells (chondrocytes)
  48. hyaline cartilage
    • long oval masses
    • most abundant type of cartilage
  49. elastic cartilage
    • often arranged in bands
    • ver little matrix between lacunae
    • felible but strong due to elastic fibers
  50. fibrocartialge
    • contains numerous collagenous fibers in matrix
    • lacunae often arranged in rows
  51. bones
    compact and spongy bones
  52. Areolar/Loose connective proper function
    • wraps/ cushions organs
    • fills internal spaces
  53. Areolar/Loose connective proper location
    • deep in epithelia
    • surrounds capillaries
  54. Adipose connective tissue proper function
    • insulation
    • energy storage 
    • cushioning
  55. Adipose connective tissue proper location
    • hypodermis
    • behind eyeball
    • around kidney
    • breast
  56. Reticular connective tissue proper function
    forms framework for other cells
  57. Reticular connective tissue proper location
    • bone marrow 
    • lymph nodes
  58. Hyaline supportive cartilage function
    • support 
    • cushioning
    • reinforcement
  59. Hyaline supportive cartilage location
    • Ends of bone
    • Nose
    • Larynx
  60. Elastic supportive cartilage function
    rigidity with flexibility
  61. Elastic supportive cartilage location
    ear
  62. Fibrocartilage supportive function
    cushioning
  63. Fibrocartilage supportive location
    interveertebral disks
  64. bone supportive tissue function
    • support
    • leverage
    • protection
  65. bone supportive tissue location
    skeleton

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