Heterocellular contacts between TC and a great variety of cell types (Fig. 3) occur more frequently than what occurs among any other cell type. These contacts consist in minute junctions (point contacts, nanocontacts and planar contacts) whose mean inter-membrane distance is 10–30 nm, but more often by variably extended simple apposition of the contiguous plasma membranes.
http://www.sciencedirect.com/science/article/pii/S1084952116...

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Note added at 6 hrs (2016-09-30 19:00:24 GMT)
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