| PAVM | pulmonary arteriovenous malformation |
|---|---|
| SCAVM | spinal cord arteriovenous malformation |
| GnRH | Gonadotropin Releasing Hormone [HP 1898, 2034] = LHRH = Go... |
| NVD | nausea, vomiting, and diarrhea; neck vein distention; neovascularization of the disk; neurovesicle d... |
| TGV | thoracic gas volume; transposition of great vessels |
| arteriovenous shunt | <anatomy, surgery> A direct connection between an artery and vein. Most often due to the surgical joining of an artery and a vein under the skin for the purpose of haemodialysis. Larger arteriovenous shunts can create significant extra workload on the heart since arterial blood is diverted back to the venous circulation before it has a chance to deliver nutrients and oxygen to the body tissues. (20 Jun 2000) |
|---|---|
| arteriovenous strabismus syndrome | <syndrome> Strabismus in which the angle of deviation is more marked on looking upward or downward. See: A-esotropia, V-esotropia, A-exotropia, V-exotropia. (05 Mar 2000) |
| cerebral arteriovenous malformations | Vascular anomalies in which tangles of arteries are connected directly to veins without intervening capillaries. The resulting vessels are thin-walled owing to poorly developed elastic and muscle tissue within the media. They can be located anywhere in the brain and can produce headaches, seizures, focal neurologic deficits, or intracranial haemorrhage. Familial cases are rare, indicating that the problem reflects sporadic abnormalities in embryologic development. (12 Dec 1998) |
| congenital pulmonary arteriovenous fistula | Abnormal congenital communication between pulmonary arteries and veins usually found in the lung parenchyma. (05 Mar 2000) |
| absorbent vessels | The vessels that convey the lymph; they anastomose freely with each other. Synonym: vasa lymphatica, absorbent vessels, lymphatic vessels, lymphatics. (05 Mar 2000) |
| blood vessels | Any of the tubular vessels conveying the blood (arteries, arterioles, capillaries, venules, and veins). (12 Dec 1998) |
| vessels of internal ear | Blood vessels of the internal ear, consisting of the labyrinthine artery and its branches and the labyrinthine veins and their tributaries. Synonym: vasa auris internae. (05 Mar 2000) |
| vitelline vessels | See: vitelline artery, vitelline vein. (05 Mar 2000) |
| retinal blood vessels | The blood vasculature of the retina, including the branches and tributaries of the central retinal artery and vein, respectively, and the vascular circle of the optic nerve. Synonym: vasa sanguinea retinae. (05 Mar 2000) |
| retinal vessels | <ophthalmology> The vessels which supply and drain the retina. (12 Dec 1998) |
| mesenteric vessels | <anatomy> Those arteries and veins that supply the small and large intestines. (27 Sep 1997) |
| great vessels | <radiology> 5 vessels above aortic arch R BCV L BCV right and left brachiocephalic VEINS L CCA left common carotid artery R BCA L SCA right brachiocephalic artery left subclavian artery (12 Dec 1998) |
| coronary vessels | The veins and arteries of the heart. (12 Dec 1998) |
| corrected transposition of the great vessels | Anatomically or physiologically corrected malposition of the great arteries. In anatomically corrected transposition, they arise from the correct ventricles but have an abnormal relation to each other (actually a malposition rather than a transposition.) In physiologically or functionally corrected transposition, the aorta arises from a systemic ventricle that has the morphologic characteristics of a right ventricle, and the pulmonary artery arises from a "venous" ventricle that has the morphologic characteristics of a left ventricle. (05 Mar 2000) |
| sheaths of vessels | Fibrous envelopes ensheathing the arteries with their accompanying veins and sometimes nerves as well. Synonym: sheaths of vessels, vaginae vasorum. (05 Mar 2000) |