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Related to impar: Tuberculum impar


 (ā-zī′gəs) Anatomy
adj. also a·zy·gous (-gəs)
Not one of a pair, as a vein or muscle; occurring singly.
An unpaired anatomical structure.

[Greek : a-, a- + -zugos, yoked (from zugon, yoke, pair; see yeug- in Indo-European roots).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


a biological structure not in a pair
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.azygos - occurring singlyazygos - occurring singly; not one of a pair; "the azygous muscle of the uvula"
anatomy, general anatomy - the branch of morphology that deals with the structure of animals
single - existing alone or consisting of one entity or part or aspect or individual; "upon the hill stood a single tower"; "had but a single thought which was to escape"; "a single survivor"; "a single serving"; "a single lens"; "a single thickness"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
Louis XIV absorbed all the smaller stars of his court in his own vast radiance; but his father, a sun PLURIBUS IMPAR, left his personal splendor to each of his favorites, his individual value to each of his courtiers.
So spake the Cherube, and his grave rebuke Severe in youthful beautie, added grace Invincible: abasht the Devil stood, And felt how awful goodness is, and saw Vertue in her shape how lovly, saw, and pin'd His loss; but chiefly to find here observd His lustre visibly impar'd; yet seemd Undaunted.
The tongue appears in the embryo in 4 weeks of gestation as 2 lateral lingual swellings and one medial swelling, the tuberculum impar. These 3 swellings develop from the first pharyngeal arch.
La conmemoracion de la visibilidad todavia se considera necesaria porque, segun activistas de larga trayectoria como Impar Pineda, este sigue siendo el gran problema del movimiento lesbico.
We report the use of ganglion impar block to successfully reduce the opioid dose in a patient on high-dose opioid therapy based on the WHO pain relief ladder for perineal pain and painful micturition following the resection of his anal fistula carcinoma.
Suppose na is par and [f.sub.T-j] = [f.sub.j] for each j [member of] {1,2, ..., T - 1} and suppose n[alpha] is impar and [f.sub.T-j] = - [f.sub.j] for each j [member of] {1,2, ..., T - 1} and [f.sub.T] = 0.
Another approach is to target the ganglion impar, also known as the ganglion of Walther [10].
This is particularly the case for the Striped Legless Lizard Delma impar, which has an average snout-vent length of 79 mm (Coulson 1990) and is 'slightly thicker than a pencil' (Webster et al.