A&P Tissues v.2

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  1. Tissues
    Group of simular cells that act together to perform a specific function.
  2. 4 major types of Tissues
    • Epithelial
    • Connective
    • Muscle
    • Nervous
  3. Organs:
    Group of two or more tissues that act together to perform a specific common function and have a consistently recognizable shape
  4. Embryonic Tissues (Layers)
    • Ectoderm: The outermost layer (epidermis, nails, hair, nerves
    • Mesoderm: middle portion, muscle,tendon, bone and blood
    • Endoderm: Inner portion ,organ tissue, glandular tissues
  5. Epithelial Tissue (Aka epithelium)
    Covers body surfaces and forms the major portions of most glands. Covers body surfaces and forms the major portions of most glands. Cell division (mitosis) replaces damaged cells with daughter cells. Cells are avascular (without blood supply) and receive nutrition via diffusion from surrounding connective tissue)
  6. Simple Epithelium
    a single layer of cells
  7. Stratified Epithelium
    multiple layers of cells
  8. Pseudostratified Epithelium
    a single layer of cells of different size, giving the appearance of being stratified
  9. Epithelial Tissues bassed on shape
    • Squamous cells: fried egg like appearance, flat, scaly.
    • Cuboidal cells: Cubed shaped
    • Columnar cells: tall cell, rectangular
  10. Squamous cells
    • fried egg like appearance, flat, scaly.
    • Functions: diffusion
    • Location: bold and lumpy vessels, serious membranes
    • fried egg like appearance, flat, scaly.
  11. Cuboidal cells
    Location: sweat glands, digestive system
  12. Columnar cells
    • Functions: protection, secretion, and absorption
    • Location: glands, stomach, stomach, intestines
    • tall cell, rectangular. Some may have have cilia (hair like projections) while others may have microvilla (projections in the cell wall)
  13. Mitosis
    Cell division
  14. Avascular
    Without blood supply
  15. Connective Tissue
    Lends support to the body and binds body parts together. It is highly vascularized. Varies in appearance, but all types of connective tissue cells share 3 basic components
  16. What is the most abumdant type of tissue in the body
    Connective Tissue
  17. Liquid Tissue
    • includes blood, lymph and interstitial fluid (between cells)
    • Yellow marrow: yellow adipose tissue, stores fat
    • Red marrow: Hematopoietic tissue produces red and white blood cells
  18. What produces red and white blood cells
    Red Marrow
  19. Hardest type of connective tissue. Highly vascularized. Compact tissue, spongy (cancellous) tissue. Collagenous fibers, and mineral salts.
    Bone Tissue
  20. Is a tough but flexible type of connective tissue and is avascular
  21. Two types of Cartilage are
    Elastic Cartilage: Contains elastins fibers and is best suited for bending. Found in the epiglottis, the external ear, and gives shapes to the nose

    Fibro cartilage: Is The strongest cartilage. It resists compression, and prevents bone to bone contact. Found in the intervertebral disk knee and jaw pads and the public symphasis
  22. Areola, Adipose and Reticulated is what type of connective tissue?
    Loose Connective Tissue
  23. What connective tissue absorbs physical shock to the body, and separates the skin from deeper structures
    Areola connective tissue
  24. What connective tissue provides protection, insulation, and is a form of stored energy. (Fat)
    Adipose connective tissue
  25. What tissue forms the framework for the lymphatic tissue (lymph nodes and spleen), bone marrow, and liver
    Reticulated Connective Tissue
  26. Protein fibers that run in one or two directions. Ex. Tendons, ligaments, retinacla, aponevrosis
    Dense Regular Connective Tissue
  27. Protein fibers are the meshwork of randomly arranged fibers, giving it strength in many directions. Ex. Deep facial, deep epidermis, periosteum
    Dense Irregular Connective Tissue
  28. Proteins that provide support for the connective tissues
    Protein Fibers
  29. Most common protein in the body. Tough but flexible. Can't stretch it.
  30. What are the three Protein Fibers
    • Collagen Fibers
    • Reticulated Fibers
    • Elastins Fibers
  31. Elastin fibers. Strong and stretchable
    Elastins Fibers
  32. What type of protein fiber is thin and forms a "net like" reticulated pattern
    Reticulated Fibers
  33. What determins the character of the matrix wdetermines the type of connective tissue
    • Connective Tissue cells
    • Protein Fibers
    • Ground Substance
  34. It fills space between connective tissue and fibers. Consistency of maple syrup. shapeless fluid (gel background) against which protein fibers are seen through a microscope.
    Ground substance
  35. contracts & elongates to perform specific movements. These movements generate heat that warms the body. It is elastic and highly vascularized. Has unique ability to shorten (contract) or elongate (stretch) to produce movement)
    Muscle Tissue
  36. The three types of muscle tissue are?
    • Skeletal Muscle
    • Cardiac Muscle
    • Smooth Muscle
  37. Controlled muscle tissue is called?
  38. not consciously controlled muscle tissue is called
  39. What muscle attaches to skelatal bone via tendons to produce movement
    Skeletal Muscle
  40. What muscle provides pumping to the heart
    Cardiac Muscle
  41. What muscle have a variety of functions. Found in the digestive circulatory, urinary reproductive and respiratory system.
    Smooth Muscle
  42. The two types of membrains are?
    • Epithelial
    • Connective
  43. The four membranes are
    • Cutaneous Membrane (Dry) : skin
    • Serous Membranes (Moist)
    • Mucous Membranes
    • Synovial Membranes
  44. What are the stages of tissue repair?
    • Inflammation
    • Resolution
    • Regeneration
    • Fibrosis/replacement
    • Remodeling
  45. All tissue healing starts with
  46. Inflammation steps for tissue repaire are
    • Heat
    • Redness
    • Swelling
    • Pain
    • Loss of function
  47. What is Homeostasis
    Stable condition of the body's internal environment
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A&P Tissues v.2
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