from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The state or quality of being obvious.
  • n. Biology The state or quality of being open, expanded, or unblocked.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The degree of openness of a tube, such as a blood vessel or catheter; the relative absence of blockage. Measured in percent.
  • n. Obviousness; clarity.

from the GNU version of the Collaborative International Dictionary of English

  • n. The condition of being open, enlarged, or spread.
  • n. The state of being patent or evident.

from The Century Dictionary and Cyclopedia

  • n. The state of being patent or evident.—2. The state of being spread open or enlarged, Dunglison.
  • n. Specifically, in pathology, the state of being open or pervious, as a tube or canal.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the openness (lack of obstruction) of a bodily passage or duct
  • n. the property of being easy to see and understand


from Wiktionary, Creative Commons Attribution/Share-Alike License

patent +‎ -cy


  • ATLANTA -- Coronary artery bypass grafts taken from the radial artery may provide short-term patency that is just as good as standard saphenous vein grafts, researchers found in a randomized trial. - medical news plus CME for physicians

  • However, the question of long-term patency awaits a planned, five-year angiographic follow-up, according to Steven Goldman, MD, of the Tucson VA Hospital in Arizona, who reported the results here at the American College of Cardiology meeting. - medical news plus CME for physicians

  • Advance PTX is designed to increase long-term patency in patients with peripheral arterial disease (PAD) and is one of the first PTA balloon catheters to be coated with paclitaxel, an antiproliferative drug that has been used successfully to reduce the risk of arterial restenosis following angioplasty in coronary disease patients. Digital 50 Daily Industry News RSS Feed

  • There are a number of important factors that could cause Cardica's results to differ materially from those indicated by these forward-looking statements, including risks associated with market acceptance of Cardica's C-Port systems and long-term patency of CABG grafts completed with Cardica's C-Port systems, as well as other risks detailed from time to time in Cardica's SEC reports, including its Annual Report on Form 10-K for the year ended June 30, 2008.

    Marketwire - Breaking News Releases

  • recent study published in the New England Journal of Medicine has raised a number of questions about the long term patency of endoscopically harvested saphenous veins that are collected and used for coronary artery bypass grafts.


  • Interventional radiologists found no difference between the two age groups when it comes to "patency" or the openness of AV fistulas or accesses needed for dialysis.

    EurekAlert! - Breaking News

  • Preferred access at any age: Comparison by interventional radiologists shows no difference in 'patency' or openness of arteriovenous (AV) fistulas

    EurekAlert! - Breaking News

  • Stents have been used for years with success to establish and maintain patency in partially occluded coronary arteries and it seemed reasonable that they might be similarly used for the carotid arteries.

    Dr. Dennis Gottfried: Is The Media Covering Medicine Accurately

  • Another way of referencing the situation is to say that a woman is "losing patency."

    Marcia G. Yerman: A New Look At The Older Vagina

  • The biological definition of patency is "the state or quality of being open, expanded, or unblocked."

    Marcia G. Yerman: A New Look At The Older Vagina


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  • True friendship must follow on latency -

    An interval promoting patency,

    For time and some trial

    Expose any guile.

    So bide for a while to wait and see.

    May 9, 2016