HAP Vocab Week 1

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HAP Vocab Week 1
2011-07-10 22:25:37

Week 1
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  1. Epithelia Tissue
    cells arranged in continuous sheets in single or multiple layers, forming the innermost or outtermost surface of body structures where glands are formed
  2. Connective Tissue
    most abundant and widely distributed tissues in body, various forms to bind supportand strengthen other tissue
  3. Muscular Tissue
    consists of elongated cells called muscle fibers, use ATP to generate force, produces body movement, maintains posture and generates heat
  4. Nerve Tissue
    containing neurons that initiate and conduct nerve impulses to coordinate homeostasis and neurologia that provide support and nourishment
  5. Tight Junction
    Seal pathways between adjacent cells, block movement of integral membrane proteins
  6. Gap Junction
    Intercellular channels (between cells), constructed from transmembered proteins called connexins, ions can flow through them
  7. Basement Membrane
    thin extracellular layer consists of 2 layers basal lamina and reticular lamina
  8. Merocrine Gland
    made up of secretory cells that remain intact throught the secretory process of formation and dischargeof the secretory product, ex. salivary and pancriatic glands
  9. Apocrine Gland
    sevretory products gather atfree end of secreting cell and are pinched of, ex. mammary glands
  10. Fibroblast
    large fat cell that secretes most of extracellular matrix of areolar and dense connective tissue
  11. Adipocyte
    fat cell from fibrblast
  12. Collagen Fiber
    protein that is the main organicconstituient of connective tissue
  13. Elastic Fiber
    branch and join together to form networks to add to strength and stability
  14. Reticular Fiber
    consitis of collagen in bundles make up walls of blood vessels and form networks around certain tissues
  15. Areolar Tissue
    forms subcutaneous layer of skin that attaches to underlying organs and tissues
  16. Adipose Tissue
    storage of triglycerides or fats
  17. Dense Regular Connective Tissue
    bundles collagen fibers are regularly arranged in parrellel paterns that protissue with great strength
  18. Cartilage
    type of connective tissue consisting of chondrocytes in lacunae embedded in a dense network of collagen and elastic fibers and an extracellular matrix of chondroitin sulfate
  19. Cardiac Muscle Tissue
    strained muscle fibers that make up the walls of the heart
  20. Intercalated Discs
    irregular transverse thickening of sarcolemma that contains desosomes, which hold cardiac muscle fibers together and gap junctions
  21. Excitable Cells
    neurons amuscle fibers, exibit electrical excitability, abilitiy to respond to certain stimuli by producing electrical signals