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Vena Cava
Vena Cava The two large veins that collect blood returning from all parts of the body and return it to the heart (right atrium) The inferior vena cava brings blood from the lower half of the body; and the superior vena cava brings blood from the upper half.
RELATED TERMS--------------------------------------
Veins
Blood vessels that carry blood from the arms, legs, head and body organs back to the heart.
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
Heart
The hollow, muscular organ responsible for pumping blood through the circulatory system.
Inferior
The anatomical term for "below". i.e. the neck is inferior to the head. Typically used in humans only. See Cranial/Caudal/Superior.
Superior
The anatomical term for "above". i.e. the head is superior to the shoulder. Typically used in humans only. See Cranial/Caudal/Inferior.
SIMILAR TERMS--------------------------------------
Venal
Bargained for; marketed, possibly corruptly.
Venal paraphilia
One of a group of paraphilias characterized by triumph wrested developmentally from sexuoerotic tragedy by means of a strategy that incorporates sinful lust into the lovemap on the condition that it be traded, bartered, or purchased and paid for, not freely exchanged, since it irrevocably defiles saintly love.
PREVIOUS AND NEXT TERMS--------------------------------------
Vitrectomy
Removing the gel from the center of the eyeball because it has blood and scar tissue in it that blocks sight. An eye surgeon replaces the clouded gel with a clear fluid.
Vitreous Humor
The clear jelly (gel) that fills the center of the eye.
Void
To empty the bladder in order to obtain a urine sample for testing.
Valvotomy
Balloon valvotomy is when a balloon is used to at the time of cardiac catheterization to increase the area of a narrowed valve.
Variant Angina
A type of angina that occurs at rest. Most often due to coronary spasm.
Vena Cava
Veins
Blood vessels that carry blood from the arms, legs, head and body organs back to the heart.
Venous Duplex Ultrasound
A non-invasive imaging procedure that uses high-frequency sound waves to determine the presence of clots in the arms or legs.
Venous Thrombosis
A blockage in a vein caused by a thrombus.
Ventricles
The lower, pumping chambers of the heart. The heart has two ventricles - the right and left ventricle.
Ventricular Fibrillation
An erratic, disorganized firing of impulses from the ventricles. The ventricles quiver and are unable to contract or pump blood to the body. This is a medical emergency that must be treated with cardiopulmonary resuscitation (CPR) and defibrillation as soon as possible.
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