avascular - definition. What is avascular
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%ما هو (من)٪ 1 - تعريف

A TUBULAR STRUCTURE WHICH CARRIES BLOOD.
Vascular; Blood vessels; Intravascular; Bloodvessels; Avascular; Blood vessel neoplasm; Umbilical blood vessel; Vascular wall; Intravascular water; Extravascular space; Extravascular; Vas sanguineum; Blood-vessel; Body vessel; Microvascular
  • Diagram of blood vessel structures
  • ''tunica adventitia'' (outer layer)]].
  • Constricted blood vessel.

avascular         
[?'vaskj?l?, e?-]
¦ adjective Medicine characterized by or associated with a lack of blood vessels.
Avascular necrosis         
  • Front X-ray of right knee of an [[adolescent]] ([[epiphyseal plate]]s are open):  arrows point to avascular necrosis and developing osteochondritis dissecans in the outer [[medial condyle of femur]]
BONE DEATH CAUSED WHEN THE BONE NO LONGER RECEIVES BLOOD SUPPLY
Aseptic bone necrosis; Avascular Necrosis; Osteonecrosis; Core decompression; Avascular Necrosis of the Hip; Aseptic necrosis; Avascular necrosis of the femoral head; Intravertebral vacuum cleft sign; Kümmel's disease; Avascular necrosis of the hip; Kummel disease; Aseptic osteonecrosis; Bone Necrosis
Avascular necrosis (AVN), also called osteonecrosis or bone infarction, is death of bone tissue due to interruption of the blood supply. Early on, there may be no symptoms.
Extravascular         
·adj Destitute of vessels; non-vascular.
II. Extravascular ·adj Outside the vessels;
- said of the substance of all the tissues.

ويكيبيديا

Blood vessel

The blood vessels are the components of the circulatory system that transport blood throughout the human body. These vessels transport blood cells, nutrients, and oxygen to the tissues of the body. They also take waste and carbon dioxide away from the tissues. Blood vessels are needed to sustain life, because all of the body's tissues rely on their functionality.

There are five types of blood vessels: the arteries, which carry the blood away from the heart; the arterioles; the capillaries, where the exchange of water and chemicals between the blood and the tissues occurs; the venules; and the veins, which carry blood from the capillaries back towards the heart.

The word vascular, meaning relating to the blood vessels, is derived from the Latin vas, meaning vessel. Some structures – such as cartilage, the epithelium, and the lens and cornea of the eye – do not contain blood vessels and are labeled avascular.

أمثلة من مجموعة نصية لـ٪ 1
1. Updated: Sunday, February 26, 2006 at 1742 hours IST Mumbai, February 26: Two Mumbai–based orthopaedic surgeons have claimed to have developed a non–invasive treatment for severe painful joints affected by Avascular Necrosis (AVN). Sanjay Agarwala, head of Orthopaedic Department, Hinduja Hospital and V R Joshi of the same hospital said "the novel method developed by them could treat patients with AVN without surgery." Avascular Necrosis (AVN), when untreated leads to hip arthritis needing surgical intervention like surface replacement or total hip replacement, they said.
2. Just before the Tour de France in July he revealed that the broken hip he sustained in a crash while training in January 2003 near his California home had caused a condition known as avascular necrosis, resulting in decreased blood flow and deterioration of the joint.