chp 4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Function of connective tissues | Binds, supports, protects, fill spaces, store fat, produces blood cells
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| Location of connective tissues | throughout the body
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| Main characteristics of connective tissue | excellent blood supply, cells are farther apart with matrix in between
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| Loose Connective Tissue (areolar tissue) | holds tissue fluids, binds organs together
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| Dense Connective Tissue | binds organs together
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| Bone | supports, protects, provides framework
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| Adipose Tissue | protects, insulate, stores fat
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| Cartilage (hyaline, elastic, fibrocartilage) | support, protects, provides, absorbs chock, framework and attachment
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| Blood | transports substances, helps maintain stable internal environment
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| Connective tissue proper | `tissues with many types of cells and extracellular fluid.
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| Fluid Connective tissue | have distinctive populations of cells suspended in a watery matrix that contains dissolved proteins.
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| Supporting connective tissues | have less cell population and a matrix containing much more densely packed fibers. (cartiledge and bone)
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| calcified | contains mineral deposits like calcium.
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| Connective tissue proper contains: | fibroblasts, macrophages, adipocytes, mesenchymal cells, melanocytes, mast cells, lymphocytes, and microphages.
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| Fibroblasts | secrete hyaluronan (a polysaccharide derivative) and proteins that act as a viscous ground substance.
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| Macrophages | fixed or free, large ameboid cells scattered throughout the matrix that engulf pathogens or damaged cells that enter the tissue.
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| adipocyte | fat cells that contain single enormous lipid droplet.
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| mesenchymal cells | stem cells that respond to local infection or injury by dividing or producing 2 daughter cells.
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| Melanocytes | Produce brown pigment called Melanin.
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| Mast cells | small, mobile connective tissue cells that are common near blood vessels. Contain histamine and heparin to stimulate local inflamation to infection.
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| Lymphocytes | travel throughout the body and develop into plasma cells to produce antibodies
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| antibodies | proteins involved in defending the body against a disease.
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| Microphages | phagocytic cells that move normally through connective tissues in small numbers. Are attracted to chemicals released by mast cells and macrophages after an infection.
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| Connective tissue fibers | collagen, reticular, elastic
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| collagen fibers | most common long, straight, and unbranched. Consists of bundle of fibrous protein subunits like a rope flexible but stronger.
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| Reticular fibers | same subunits as collagen fibers interwoven framework.
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| parenchyma | functional cells
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| Elastic fibers | contain elastin. They are unbranched and wavy.
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| Elastic ligaments | interconnect vertebrae. Are dominated by elastic fibers and are rare.
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| Ground substance | fills the spaces between cells and surround connective tissue fibers.
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| Embryonic Connective tissues | Mesenchyme
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| Mesenchyme | first connective tissue to appear in a developing embryo. Gives rise to other connective tissues. Star shaped stems separated by a matrix with very fine protein filaments.
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| Loose Connective tissues | "packing materials" fill spaces between organs and support epithelia. Include mucuous connective tissue in embryos and areolar tissue, adipose tissue, and reticular in adults.
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| Areolar Tissue | open framework, whose fibers are loosely organized.
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| adipose tissue | fat tissue
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| white fat | name of adipose tissue because of pale, yellow-white color.
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sweetnance
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