VENA HEMIAZYGOS Meaning and
Definition
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The term "vena hemiazygos" refers to a specific vein found in the human body. It is a major component of the venous system, carrying deoxygenated blood from the thoracic and abdominal regions back to the heart. The vena hemiazygos is a counterpart to the larger vein known as the azygos vein in the body’s venous circulation.
The vena hemiazygos arises on the left side of the body, usually from the ascending lumbar vein, which is a branch of the left renal vein. It ascends through the posterior mediastinum region, near the spine, and travels superiorly on the left side of the vertebral column. Unlike its counterpart, the azygos vein, which crosses the midline to join the superior vena cava on the right side, the vena hemiazygos mostly remains on the left side of the body.
During this ascent, the vena hemiazygos typically receives blood from various tributaries, such as the left inferior intercostal veins, the subcostal veins, and sometimes the left superior lumbar vein. It drains into the azygos vein, the superior cardinal vein, or even directly into the superior vena cava. This connection allows the blood to return to the heart and subsequently to be oxygenated and distributed throughout the body.
Understanding the anatomy of the vena hemiazygos is essential for medical professionals, as it plays a crucial role in the proper functioning of the human circulatory system.
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V. azygos minor inferior, begins in the epigastric region, pierces the left crus of the diaphragm, ascends along the left side of the bodies of the lower dorsal vertebrae, opposite the eighth vertebra crosses the front of the spine, behind the aorta, thoracic duct, and esophagus, and empties into the vena azygos.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for VENA HEMIAZYGOS
- vena hemiazygoc
- vena hemiazygoq
- vena hemiazygor
- v ena hemiazygos
- ve na hemiazygos
- ven a hemiazygos
- vena h emiazygos
- vena he miazygos
- vena hem iazygos
- vena hemi azygos
- vena hemia zygos
- vena hemiaz ygos
- vena hemiazy gos
- vena hemiazyg os
- vena hemiazygo s
Etymology of VENA HEMIAZYGOS
The word "vena hemiazygos" is derived from two Latin words: "vena" meaning "vein" and "hemiazygos" meaning "half coupled" or "half united".
The Latin word "vena" comes from the Proto-Indo-European root "weǵ-", which means "to carry" or "to transport". It has been directly adopted into several modern languages, such as Spanish ("vena") and Italian ("vena"), both meaning "vein".
"Hemiazygos" is a compound word derived from "hemi-" meaning "half" and "azygos" meaning "united" or "coupled". The term "hemi-" comes from the Greek "hemi-" meaning "half" or "partial".
When combined, "vena hemiazygos" refers to a specific vein in human anatomy.
Similar spelling words for VENA HEMIAZYGOS
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