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Interstitial fluid Dilute saltwater solution; derives from blood
Nucleoli In the nucleus; sites where ribosomes are assembled.
Chromatin Loose network of bumpy threads scattered throughout nucleus.When a cell is dividing to form 3 daughter cells, the chromatin threads coil and condense to form rodlike bodies called chromosomes
Chromosomes Dense, rodlike bodies of chromatin
Plasma Membrane Flexible, transparent barrier that contains the cell contents and separates them from the surrounding environment. "Baggie"
Microvilli tiny fingerlike projections that greatly increase the cell's surface area for absorption so that the process occurs more quickly.
Tight Junctions Impermeable junctions that bind cells together into leakproof sheets that prevent substances from passing through the extracellular space between cells.
Desmosomes Anchoring junctions that prevent cells subjected to mechanical stress from being pulled apart; button-like thickenings of adjacent plasma membranes, connected by fine protein filaments.
Gap Junctions Allows communication
Connexons Hollow protein cylinders that span the entire width of the abutting membranes
Created by: jenniferfales



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