Friday, October 1, 2010

Histology Lab








Connective

1. Hyaline Cartilage


  • Amorph, firm matrix with imperceptible network of collagen fibers 
  • Chondrocytes lie in lacunae 
  • Supports reinforces cushions and resists compressionForms the costal cartilage
  • found in embryonic skeleton the end of the long bones nose trachea and laryn
2. Ground Bone, cs. Human
  • Ring ring tree bark 
3. Ground Bone Compact
  • some ring like tree bark
Epithelia

  1. Columnar Epithelia simple ciliated

  • Branch like also looks like sponge
  2. Transitional Epithelia


    • Several cell layers basal cells are cuboidal surface cells are some shaped
    • Stretches to permit the distension of the urinary bladder
    • Lines the urinary bladder ureters and part of the urethra
      3. Pseudostratified  Epithelia


    • Single layer cells with different heights; some do not reach the free surface
    • Nuclei are seen at different layers
    • Function in secretion and propulsion of mucus
    • Present in the male sperm-arrying ducts (non-ciliated) and trachea (ciliated)
    Musle

    1. Striated Muscle Teased Human
    • Single Cells with bunch of things in the middle 
    2. Cardic Muscle is human
    • Branching striated uninucleate cells inter-locking at intercalated
    • Propels blood onto circulation
    • found in the walls of the heart
    3. Muscle Cardic Purkinje Fibers
    • long thin fibers that allow for stretch
    Nervous

    1. Neuron Motor
    •  vein look like 
    • some dark areas
    • spider web look like
    2. Brain Basal Ganglia 
    • Packed Together


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