zygo-, zyg-, -zygous
(Greek: yoke, forming pairs; joined, union; or denoting relationship to a junction; meaning a yoke or crossbar by which two draft animals; such as, oxen could be hitched to a plow or wagon)
azygoesophageal
Pertaining to or located between the azygos vein and esophagus.
azygogram
The radiographic record obtained by azygography (radiography of the azygos venous system after injection of contrast medium).
Azygous refers to n unpaired anatomical structure.
azygography
Radiography of the aygos venous system following its opacification with contrast material; usually employed for evaluation of abnormal tumor masses in the mediastinum, as evidenced by extrinsic pressure upon, or complete obstruction of, the visualized azygos vein.
azygomediastinal
Pertaining to or located between the azygos vein and mediastinum.
azygos
1. Unpaired.
2. Any unpaired part, such as the azygos vein.
azygosperm
Azygospore.
azygospore
A spore developed directly from a gamete without conjugation; also called azygosperm.
dizygotic, dizygous
Pertaining to or derived from two separate zygotes, as dizygotic (fraternal) twins.
heterozygosis
The formation of a zygote by the union of gametes of unlike genetic constitution.
heterozygosity, heterozygous
The state of possessing different alleles (alternative forms of a gene that can occupy a particular chromosomal locus) at a given locus in regard to a given character.
heterozygote
An individual possessing different alleles in regard to a given character.
homozygosis
The formation of a zygote by the union of gametes that possess one or more identical alleles.
homozygosity
The state of possessing a pair of identical alleles at a given locus.
homozygote, homozygous
Possessing a pair of identical alleles at a given locus.
monozygotic, monozygosity, monozygous
Pertaining to or derived from one zygote.
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