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17 Cards in this Set
- Front
- Back
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cell embedded in extracellular matrix (ECM) are composed of what three main compartments?
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fibers, ground substance, and tissue fluid
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what are the four main functions of CT?
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1. structural support
2. exchange medium b/w blood and tissues 3. defense & protection 4. fat storage |
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where does most CT originate from?
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from mesenchyme (loose connective tissue)
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what germ layer gives rise to almost all the CT?
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mesoderm
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_____ and _____ cells give rise to the primitive CT called mesenchyme
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mesodermal and neural crest cells
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what produces extracellular fibers that provide structure and ground substance?
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fibroblast
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in the loose CT what functions in the body defense system?
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lymphocytes, plasma cells, macrophage and eosinophils
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true or false: osteoblast produces the fibers that makeup the bulk of bone tissue.
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FALSE: Osteocyte
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what is the prominent feature in tendons & ligaments and are arranged parallel array that are densely packed for maximum strength
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FIBERS
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what are the two types of dense CT?
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1. dense irregular and 2. Dense regular
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true os false: loose connective tissue has very abundant ground substance
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true: important in oxygen transport/COS and waster export
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most cell types is loose CT are ______
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transient
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what is dense irregular CT mostly contain?
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collage fibers
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True of False: Dense irregular CT has very abundance ground substance?
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False: very LITTLE ground substance
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what is the main function of dense irregular CT?
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provide strength and resistance to tearing (makes leather so tough!)
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What is the dominant feature of dense regular CT?
a. tendons b. fibers c. tendons d. aopneuroses c. lig |
b. fibers
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does collagen or elastin form reticular fibers in CT?
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collage forms collage and RETICULAR FIBERS, elastin forms elastic fibers
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