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Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Farlex Partner Medical Dictionary © Farlex 2012
annularArranged in a ring; ring-like.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
annularRing-shaped. Mainly used to refer to anything that encircles a hollow tube of organ as in the case of an annular cancer of the colon.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
annular(of plants) ring-shaped, as in annular thickening of XYLEM vessels.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
an·u·lar, annular (anyū-lăr)
Medical Dictionary for the Dental Professions © Farlex 2012