Azygos definitions

ā-zī'gəs
Not one of a pair, as a vein or muscle; occurring singly.
adjective
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An unpaired anatomical structure.
noun
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Not one of a pair, as a vein or muscle; occurring singly.
adjective
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An unpaired anatomical structure.
noun
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0

Origin of azygos

Greek a- a- -zugos yoked (from zugon yoke, pair yeug- in Indo-European roots)