Azygos vein — Infobox Vein Name = PAGENAME Latin = vena azygos GraySubject = 172 GrayPage = 667 Caption = Superior vena cava, inferior vena cava, azygos vein and their tributaries. (Vena azygos labeled at center.) Caption2 = POSTERIOR VIEW: The position and… … Wikipedia
azygos vein — 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 • Syn: ↑azygous vein, ↑vena azygos • Hypernyms: ↑vein, ↑vena, ↑venous… … Useful english dictionary
azygos vein — an unpaired vein that arises from the inferior vena cava and drains into the superior vena cava, returning blood from the thorax and abdominal cavities … The new mediacal dictionary
lymph node of arch of azygos vein — nodus lymphoideus arcus venae azygos … Medical dictionary
azygos — 1. An unpaired (azygous) anatomical structure. 2. SYN: a. vein. [G. a priv. + zygon, a yoke] a. continuation (of the inferior vena cava) a congenital anomaly in which the infrahepatic … Medical dictionary
azygos lobe — lobe of azygos vein a small accessory or anomalous lobe at the apex of the right lung, produced when the azygos vein arches over the superior part of the lung and presses deeply into the lung tissue to form the azygos fissure … Medical dictionary
Vein — In the circulatory system, a vein is a blood vessel that carries blood back toward the heart (as opposed to artery, a blood vessel carrying blood away from the heart). The majority of veins in the body carry low oxygen blood from the tissues back … Wikipedia
Azygos — In anatomy, azygos, from the Greek άζυξ, refers to a structure that is unpaired. This is relatively unusual, as most elements of anatomy reflect bilateral symmetry. Another term for the same concept is impar.Well known structures incorporating… … Wikipedia
azygos — I. noun Etymology: New Latin, from Greek, unyoked, from a + zygon yoke more at yoke Date: 1646 an azygos anatomical part II. adjective also azygous Date: 1681 not being one of a pair ; single < an azygos vein … New Collegiate Dictionary
azygos fissure — an inconstant fissure at the apex of the right lung, produced when the azygos vein arches over the superior part of the lung instead of near the hilum; it sets off the azygos lobe … Medical dictionary
