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APPARENT ABSENCE OF GAP JUNCTIONS IN TWO CLASSES OF CNIDARIA

1984; Marine Biological Laboratory (MBL); Volume: 167; Issue: 1 Linguagem: Inglês

10.2307/1541341

1939-8697

G. O. Mackie, Peter Anderson, C. L. Singla,

Marine Toxins and Detection Methods

Study of the literature and new observations by electron microscopy suggest that gap junctions are absent in the anthozoa and scyphozoa, but present in the hydrozoa. While this may help to explain the marked electrophysiological differences known to exist between the hydrozoa and the other two groups, it raises questions about how intercellular metabolic communication is achieved in the groups lacking gap junctions.