Lab practical 1 Histology

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julianne.elizabeth
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131746
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Lab practical 1 Histology
Updated:
2012-01-31 00:48:20
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histology epithelial tissue muscle connective nervous
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histology slides for bio163 lab practical 1
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  1. How do you classify epithelial cells by shape?
    By the Apical Layer

    Cuboidal: cube shaped. as high as it is wide

    Columnal: taller than it is wide, nucleus is stretched

    Squamous: flat, scale like.
  2. How do you classify epitheial cells by layers?
    Remember the Apical layer

    Simple- One layer

    Stratified- Multilayer

    Pseudostratified- columnal where each cell is touching the basement layer, but only those closest to the top reach the free surface. it looks stratified, but its not. (note cilia)
  3. Epithelial Cells
    Give name, one function, one location
    Simple Squamous Epithelium

    Function: secretes lubricating substances in serosae

    Location: Air sacs of lungs, lining of heart
  4. Epithelial Cells
    Give name, one function, one location
    Simple Cuboidal Epithelium

    Function: Secretion and Absorbtion

    Location: Kidney tubules
  5. Epithelial Cells
    Give name, one function, one location
    Simple Columnar Epithelium

    *Note Goblet cells

    Function: secretion of mucus, enzymes, and other substances

    Location: lines the digestive tract
  6. Epithelial Cells
    Give name, one function, one location
    Pseudostrafied Columnar Epithelium

    *note Cilia

    Function: secretion of mucus, propulsion of mucus by cilia

    Location: Lining the Trachea
  7. Epithelial Cells
    Give name, one function, one location
    Stratified Squamous Epithelium

    *note the apical layer

    Function: Protects the underlying tissues from abrasion

    Location: epidermis of the skin
  8. Epithelial Cells
    Give name, one function, one location
    Stratified Cuboidal Epithelium

    Function: Protection

    Location: sweat glands
  9. Epithelial Cells
    Give name, one function, one location
    Stratified Columnar Epithelium

    Function: Protection, Secretion

    Location (rare): small amounts in male urethra
  10. Epithelial Cells
    Give name, one function, one location
    Transitional Epithelium

    Function: stretches readily and permits distention of urniary organ by contained urine

    Location: Urinary Bladder
  11. Muscle Tissue (Fiberous Tissue)
    Name the muscle, give a function, and a location
    Skeletal Muscle

    *note the striations

    Function: voluntary movement, locomotion

    Location: Skeletal muscles attached to the bone
  12. Muscle Tissue (Fiberous Tissue)
    Name the muscle, give a function, and a location
    Cardiac Muscle


    *note: Intercalated discs

    Function: as it contracts, it propels blood in the circulation

    Location: walls of the heart
  13. Muscle Tissue (Fiberous Tissue)
    Name the muscle, give a function, and a location
    • Smooth Muscle Tissue
    • (might be a teased slide)

    Function: propels substances or objects (food) along internal passageways

    Location: mostly in the walls of hollow organs

    Location:
  14. Connective Tissue
    name the tissue, give a function, and a location
    • Loose Connective Tissue
    • Areolar

    Function: wraps and cushions organs

    Location: forms lamina propria of mucous membranes
  15. Connective Tissue
    name the tissue, give a function, and a location
    • Loose Connective Tissue
    • Adipose (may be pink or stained black)

    Function: provides reserve fuel

    Location: around kidneys and eyeballs
  16. Connective Tissue
    name the tissue, give a function, and a location
    • Loose Connective Tissue
    • Reticular Tissue

    Function: fibers form a soft internal skeleton (Stroma) that supports other cell types

    Location: spleen (and other lymphatic organs)
  17. Connective Tissue
    name the tissue, give a function, and a location
    • Dense connective Tissue
    • Dense Regular

    Function: connects muscle to bones

    Location: Tendons
  18. Connective Tissue
    name the tissue, give a function, and a location
    • Dense Connective Tissue
    • Elastic

    Function: allows recoil of tissue following stretching

    Location: Walls of Large arteries (aorta)
  19. Connective Tissue
    name the tissue, give a function, and a location
    • Dense Connective Tissue
    • Dense Irregular

    Function: provides structual strength, able to withstand tension exerted in many directions

    Location: dermis of skin
  20. Cartilage
    name the tissue, give a function, and a location
    Hyaline Cartilage

    Function: resists compressive stress

    Location: cartilage of the nose, costal cartilage of the ribs
  21. Cartilage
    name the tissue, give a function, and a location
    Elastic Cartilage

    Function: maintains the shape of structure while allowing great flexibility

    Location: Ears
  22. Cartilage
    name the tissue, give a function, and a location
    Fibrocartilage

    Function: tensile strength with the ability to absorb compressive shock

    Location: Intervertebral discs
  23. Bone Tissue
    name the tissue, give a function, and a location
    Compact Bone (osteon)

    Function: stores calcium, creates red blood cells

    Location: Long bones
  24. Blood Tissue
    name the tissue, give a function, and a location
    Blood

    *note: white blood cell, white blood cell, platelet, plasma

    Function: transport of respiratory gases, nutrients, and other substances

    Location: contained inblood vessels
  25. Nervous Tissue
    name the tissue, give a function, and a location
    Spinal Cord Slide

    *note neurons

    Function: transmits electrical signals from sensory receptors to effectors which control activity

    Location: Spinal Cord
  26. Nervous Tissue
    Note the axon covered by the myelin sheath

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