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6 Cards in this Set
- Front
- Back
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Microvilli
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extensions of the plasma membrane (increase surface area) used for absorption; brush border; actin
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cilia
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hairlike processes; axoneme; dynein arms
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flagella
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like a long solitary cilium; sperm
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intercllular junctions
(tight junctions) |
-completely encircles an epithelial cell near its apical surface.
-seals off intercellular space -prevents bacterial spread -nutrients must pass through the cells, not between them |
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intercullualer junctions
(desmonosomes) |
-patch that holds cell together
-more like a snap -not continuous = can prevent substances from passing between cells -epidermis, cardiac muscle, cervix of uterus |
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interceullular junctions
(gap junctions) |
Connexon: ring-like, six transmembrane protiens (orange like)
-allow small molecules to pass through the channel -cardiac muscle |
