Junctions between three cells serve as gateways for the transport of substances

PHYSorg
Apr 7, 2021, 3:57 pm617 ptsHot
Within multicellular organisms, cells build connections with each other forming cell layers that cover the surfaces of tissues and organs and separate structures in the body. For example, the skin forms a mantle around the entire organism, and the layer of cells lining the blood vessels creates a boundary…

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