Cell Junction - Types

Types

In vertebrates, there are three major types of cell junctions:

  • Adherens junctions, desmosomes and hemidesmosomes (anchoring junctions)
  • Gap junctions (communicating junction)
  • Tight junctions (occluding junctions)

Invertebrates have several other types of specific junctions, for example septate junctions or the C. elegans apical junction.

In multicellular plants, the structural functions of cell junctions are instead provided for by cell walls. The analogues of communicative cell junctions in plants are called plasmodesmata.


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