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Reflexive gap junctions. Gap junctions between processing arising from the same ovarian decidual cell.

J C Herr

    The Journal of Cell Biology
    |May 1, 1976
    PubMed
    Summary
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    Adjacent ovarian decidual cell processes form gap junctions, potentially aiding merocrine secretion. A new term, "reflexive gap junction," describes junctions between processes of the same cell.

    Area of Science:

    • Cell biology
    • Reproductive biology
    • Histology

    Background:

    • Ovarian decidual cells play a role in pregnancy.
    • Cell-to-cell communication is crucial in tissue function.

    Purpose of the Study:

    • To investigate the presence and nature of intercellular junctions between ovarian decidual cell processes.
    • To explore the potential function of these junctions in secretion.

    Main Methods:

    • Transmission electron microscopy was used to examine ovarian decidual cell tissues.
    • Lanthanum was used as a tracer in some fixatives to visualize junctional structures.

    Main Results:

    • Adjacent processes of ovarian decidual cells were observed forming gap junctions.

    Related Experiment Videos

  • These junctions exhibited characteristic hexagonal arrays and 2-4 nm gaps.
  • Lanthanum tracer confirmed the structure of these gap junctions.
  • A novel type of gap junction, termed 'reflexive gap junction,' was identified between adjacent processes of the same cell.

    • Conclusions:

    • Gap junctions are present between adjacent processes of ovarian decidual cells.
    • These gap junctions may facilitate merocrine secretion from the peduncular processes.
    • The identification of reflexive gap junctions provides new insight into cellular organization and communication within ovarian decidual tissue.