Skip to content
    Biology A-Level

    stretch-mediated sodium ion channels

    What stretch-mediated sodium ion channels means in Biology A-Level, as defined for AQA.

    Definitions of stretch-mediated sodium ion channels

    Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.

    Check what you remember

    Read the wording for your board, then hide it and explain stretch-mediated sodium ion channels in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    Channels in the membrane of the neurone ending that open when pressure deforms the membrane, the lamellae or the channels themselves.
    AQA · Receptors (A-level only) (study guide)
    Channels in a Pacinian corpuscle that open only when the membrane is physically deformed, so it responds to pressure and vibration.
    AQA · Receptors (A-level only) (study guide)
    Channels in the axon membrane that are normally closed and open only when the membrane is stretched.
    AQA · Receptors (A-level only) (study guide)

    Topics that use stretch-mediated sodium ion channels

    Related terms

    Using stretch-mediated sodium ion channels in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Biology questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Biology A-Level terms