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9 Cards in this Set
- Front
- Back
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focal adhesions
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intergrin, anchor proteins, actin cytoskeleton
cell-ECM -important for anchoring tissues, ex) muscle-tendon -important for cell movement/attachment |
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tight junctions
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seals neighboring cells together in epitheliat sheet to prevent leakage of molecules btw them
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adherens junction
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join acting bundles btw neighboring cells. concerted action. anchor.
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desmosome
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adherens junctions connected to IF. serves as a rivet. structural
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gap junction
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allows passage of small water-soluble ions/molecules. communication
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Collagen
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super abundant, Type I, secreted by fibroblasts,
3 vowels=3subunits=3 helices 2a1,1a2 Gly-Pro Bones,skin,cornea |
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Proteogylcans and glycoamingoglycans are revalent components of ? and provide ?
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connective tissue and provide hydrating properites to tissues
(squishy/watery capability. sugar/water loving. |
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GAGs
what are the 4 types? |
unbranched polysacc composed of repeating disacc
-high neg charge=osmotically active (hold a lot of water) -provides turgor=resisteance to compression in joints\ 1) hyaluronan (no protein core, spun on cell surface) 2) chondroitin/dermatan sulftates 3) heparan sulfates 4) keratan sulfates |
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4 components of basal lamina?
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collagen IV, Laminin, nadogen, Perlecan
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