azygos


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Related to azygos: azygos fissure, azygos lobe

azygos

 [az´ĭ-gos]
any unpaired part, as the azygos vein.
azygos vein a vein beginning in the abdomen as a continuation of the ascending lumbar vein; it and its tributaries serve as vessels for the return of blood from the thorax to the superior vena cava. The azygos vein also serves as a connecting link, through the ascending lumbar vein, between the venae cavae returning blood from above and below the heart. See anatomic Table of Veins in the Appendices.

az·y·gos

(az'ī-gos),
1. An unpaired (azygous) anatomic structure.
2. Synonym(s): azygos vein
[G. a- priv. + zygon, a yoke]

azygos

/az·y·gos/ (az´ĭ-gus)
1. unpaired.
2. any unpaired part, as the azygos vein.

azygos

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

azygos

See azygous.

az·y·gos

(az'i-gŏs)
1. An unpaired (azygous) anatomic structure.
2. Synonym(s): azygos vein.
[G. a- priv. + zygon, a yoke]

azygos

1. any unpaired part, as the azygos vein.
2. unpaired. Called also azygous.
azygos vein
a vein beginning in the abdomen and coursing in the dorsal mediastinum which returns blood from the thorax to the heart. The right azygos is found in most domestic animals (rarely the pig) while the left azygos is found in pigs and ruminants.
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References in periodicals archive ?
This study showed a high prevalence of atypical anatomical variants in Mexican population, of which variants known to increase the risk of ischemic events were the most found (absence of the anterior communicating artery, absence and hypoplasia of the precommunicating A1 segment, hypoplasia of the postcommunicating A2 segment of the anterior cerebral artery and the azygos artery) (Rhoton; Dimmick & Faulder).
Anatomical Variants of Anterior Cerebral Arterial Circle. A Study by Multidetector Computerized 3D Tomographic Angiography/Variantes Anatomicas de la Region Anterior del Circulo Arterial Cerebral. Estudio por Angiotomografia Computarizada 3D
In massive PE, RV/LV ratio and azygos vein diameter are the best predictors of survival, enabling correct prediction of survival in 89% of patients.
DUAL SOURCE MULTISLICE COMPUTED TOMOGRAPHY FOR PULMONARY EMBOLISM: INITIAL EXPERIENCE AT AFIC/NIHD RAWALPINDI
Absence of the azygos vein associated with left superior vena cava.
Sol superior interkostal venin cok detektorlu bilgisayarli tomografi anjiografi bulgulari: iki olgu nedeniyle / Multidetector computed tomography angiography findings of the left superior intercostal vein: a report of two cases
In the chest there are numerous lympho-venous connections between the azygos veins and the thoracic duct (3).
Anatomy of the deep lymphatic system--key to lymphatic drainage
No cases of complete obstruction of the SVC and the azygos vein (type IV) were detected.
Endovascular therapy for acute tumour-related obstruction of the superior vena cava using a self-expanding Nitinol stent
On the right side, the azygos vein and the anterior branch of the right pulmonary artery are at risk of injury.
Yield of cervical mediastinoscopy in diagnosis of indeterminate mediastinal lymphadenopathy/masses and staging of lung cancer
As fever and neck swelling progressed and the patient detoriated, a posteroanterior (PA) chest X-ray (Figure 1 a) and a cervicothoracic computed tomography (CT) (Figure 1 b, 1 c) were performed which showed a necrotizing infection that extended from the neck to the level of the vena azygos along the right paratracheal region and a right sided pleural effusion.
Minimally invasive surgery for descending necrotizing mediastinitis / Desendan nekrotizan mediastinit tedavisinde minimal invaziv cerrahi
Upper border--The lower rim of the azygos vein on the right; upper rim of the pulmonary artery on the left
Protocol for the examination of specimens from patients with primary non-small cell carcinoma, small cell carcinoma, or carcinoid tumor of the lung
The portion of the right supracardinal vein cephalad to the kidneys becomes the azygos vein; similarly, that portion on the left forms the hemiazygos system.
Congenital seminal vesicle cyst with ipsilateral renal agenesis, vascular anomalies and intestinal malrotation
Surrounding tissues around superior vena cava were dissected up to azygos vein in order to examine presence of partial anormal pulmonary venosus connection and high PAPVC small-medium size was observed.
Intraoperative measurement of Qp/Qs ratio may be helpful in determining the strategy for sinus venosus type ASD/Intraoperatif Qp/Qs oraninin hesaplanmasi sinus venesus tipi ASD'nin kapatilmasi stratejisinde yardimci olabilir
The vertebral venous plexus is a valveless system which communicates directly with pelvic, sacral, intercostal, azygos, caval and intracranial veins (1).
Tumour metastasis at the site of a previous epidural catheter
Relative position of the distal fistula to the azygos vein.
Endoscopic surgery in children: better understanding of pathology

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