Radial thickenings

  • Title

    Radial thickenings

  • Definition

    A series of protuberances arranged in a spoke-like pattern around the top of the supracalycine zone just outside the line of opercular dehiscence.

  • Notes

    The function of these thickenings is not known but hypothesize that they are involved with the production of mucilage.

  • Related Terms

    Supracalycine zone

    Line of opercular dehiscence

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