Definition of Azygos vein

1. Noun. One of a system of veins that drain the thoracic and abdominal walls; arises as a continuation of the right ascending lumbar vein and terminates in the superior vena cava.

Exact synonyms: Azygous Vein, Vena Azygos
Generic synonyms: Vein, Vena, Venous Blood Vessel

Medical Definition of Azygos vein

1. A vein which arises from the right ascending lumbar vein or the vena cava, enters the thorax through the aortic orifice in the diaphragm, and terminates in the superior vena cava. (12 Dec 1998)

Lexicographical Neighbors of Azygos Vein

azurophil granule
azurophilia
azurophilic
azury
azygies
azygoesophageal recess
azygogram
azygography
azygos
azygos continuation of interrupted ivc
azygos fissure
azygos lobe of lung
azygos vein (current term)
azygos vein principle
azygoses
azygous
azygous vein
azygy
azylene
azylenes
azym
azyme
azymes
azymia
azymic
azymite
azymites

Literary usage of Azygos vein

Below you will find example usage of this term as found in modern and/or classical literature:

1. Anatomy: Descriptive and Surgical by Henry Gray (1897)
"The larger, or right azygos vein (vena azygos major), commences opposite the first ... The left upper azygos vein varies according to the size of the left ..."

2. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1869)
"Cancer of Right Mamma; Secondary Cancer of Pleura and Bronchial Glands ; Pressure on azygos vein and Right Bronchus ; Left Hydrothorax twice relieved by ..."

3. The Cat: An Introduction to the Study of Backboned Animals, Especially Mammals by St. George Jackson Mivart (1881)
"They begin behind in the lumbar veins, and the right azygos vein Advances and ... Another system of venous structures goes by the name of the azygos vein, ..."

4. Anatomy, Descriptive and Applied by Henry Gray (1913)
"Just before it pierces the pericardium, it receives the azygos vein and ... The azygos vein (v. azygos; vena azygos major) begins opposite the first or ..."

5. An Elementary Treatise on Human Anatomy by Joseph Leidy (1889)
"There is ordinarily a valve in the arch of the azygos vein. The hemi-azygos veins commonly appear as two trunks, which relate with the left intercostal ..."

6. The Journal of Anatomy and Physiology by Anatomical Society of Great Britain and Ireland (1900)
"SAC LN WHICH THE LARGE azygos vein PIERCED THE SAC BEFORE OPENING INTO THE ... The large azygos vein did not open into the superior vena cava outside the ..."

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