Anatomy
interatrial septum
Subclass of:
Heart Septum
Definitions related to interatrial septum:
  • (atrial septum) The thin membrane-like muscular structure separating the right and the left upper chambers (HEART ATRIA) of a heart.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • Cardiac septum, each instance of which separates the right and left atria of some heart.
    Foundational Model of Anatomy
    University of Washington, 2017
  • The tissue that separates the right atrium from the left atrium in the heart.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • The wall of tissue that separates the right atrium from the left atrium in the heart.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
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