GAP Junctions
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Top explanations for GAP Junctions
Cell Interactions — Cell Biology: Organelle Structure and Function▶ 14:43Okay, we've established how cells anchor themselves securely with desmosomes and how they seal off compartments with tight junctionsNow we move to what is an absolute necessity of multicellular life, gap junctions in animalsThese structures are not about separation or holding things togetherCardiac Muscle: The Autonomic Nervous System — Cellular Physiology of Nerve and Muscle▶ 8:45But more importantly for our puzzleAnd this is what figure 12 -3 highlights embedded within these discs are structures called gap junctionsGap junctionsIntegrating Cells into Tissues — Molecular Cell Biology▶ 13:27They prevent fluid and molecules from diffusing between cellsAnd gap junctions are the communicators, opening a direct bridge between the cytosols of neighboring cells for rapid exchangeAnd it's the anchoring junctions, particularly the desmosomes and hemidismomes, that allow tissues like our skin to withstand so much force