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19 Cards in this Set
- Front
- Back
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where do you find collagen type 1?
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most abundant in ct, also in bone, dentin
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where is collagen type 2
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primarily hyaline cartilage
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where is collagen type 3?
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reticular fibers
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where is collagen type 4?
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basal lamina
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components of ct? (1, 2.a.b.c., 3)
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1. ground substance 2. fibers: a. collagen b. reticular c. elastic 3. cells
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macrophage derived from?
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monocytes.
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mast cells filled with?
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basophilic secretory granules. participate in inflammatory response. release histamine.
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what is emphysema?
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oxidation of the inhibitor of elastase by cigarette smoke. loss of lung elasticity
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Ehlers-danlos syndrome
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faulty collagen. skin hyperextensibility. joint hypermobility
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marfan syndrome
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defect in fibrillin (comp of elastin). abnormally elastic ct. defective aorta. unusually long limbs.
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what is an enterocyte?
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an intestinal cell
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red fibers (muscle) powered by?
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oxidative phosphorylation. fatigue resistant. postural control. more myoglobin
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white fibers (muscle) powered by?
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anaerobic glycolysis. rapid contraction.
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maculae adherens aka?
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desmosomes
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cardiac muscle cell junctions:
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intercalated disks, fasciae adherens, maculae adherens, gap junctions
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radial glia
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form struts for migrating neurons during development
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microglia
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phagocytic. remove debris of dead and dying cells. arise in bone marrow, migrate to cns
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choroid plexus
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continuous with ependymal cell layer. secretes csf.
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satellite cells
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surround cell bodies, particularly prominent in sensory neurons
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