| LSA | Left Subclavian Artery |
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| LSA | left sacro-anterior [fetal position]; left subclavian artery; leukocyte-specific activity; lichen sc... |
| LSC | late systolic click; left side colon cancer; left subclavian; lichen simplex chronicus; liquid scint... |
| LSV | lateral sacral vein; left subclavian vein; longitudinal sound velocity |
| RSA | rabbit serum albumin; regular spiking activity; relative specific activity; relative standard accura... |
| SSS | Subclavian steal syndrome |
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| subclavian steal | Obstruction of the subclavian artery proximal to the origin of the vertebral artery; blood flow through the vertebral artery is reversed and the subclavian artery thus "steals" cerebral blood, causing symptoms of vertebrobasilar insufficiency (subclavian steal syndrome); manifest during vigorous use of an upper extremity. (05 Mar 2000) |
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| subclavian steal syndrome | <syndrome> Aortic arch syndrome, also referred to by many as vertebral-basilar artery disease, carotid artery occlusive syndrome and subclavian steal syndrome is characterised by a constellation of signs and symptoms which occur secondary to abnormalities in the major arteries which extend off of the aortic arch. These abnormalities are structural and most often secondary to the effects of atherosclerosis, blood clots, trauma or a congenital abnormality. Symptoms of this condition include various neurologic symptoms, reduction in pulse and changes in blood pressure. (27 Sep 1997) |
| renal-splanchnic steal | Diversion of blood from the right renal artery via the inferior adrenal branch into splanchnic collaterals distal to a stenosis of the coeliac axis. (05 Mar 2000) |
| coronary steal | A steal caused by anomalous origin of the coronary artery from the pulmonary artery. (05 Mar 2000) |
| steal | 1. To take and carry away, feloniously; to take without right or leave, and with intent to keep wrongfully; as, to steal the personal goods of another. "Maugre thy heed, thou must for indigence Or steal, or borrow, thy dispense." (Chaucer) "The man who stole a goose and gave away the giblets in lms." (G. Eliot) 2. To withdraw or convey clandestinely (reflexive); hence, to creep furtively, or to insinuate. "They could insinuate and steal themselves under the same by their humble carriage and submission." (Spenser) "He will steal himself into a man's favor." (Shak) 3. To gain by insinuating arts or covert means. "So Absalom stole the hearts of the men of Israel." (2 Sam. Xv. 6) 4. To get into one's power gradually and by imperceptible degrees; to take possession of by a gradual and imperceptible appropriation; with away. "Variety of objects has a tendency to steal away the mind from its steady pursuit of any subject." (I. Watts) 5. To accomplish in a concealed or unobserved manner; to try to carry out secretly; as, to steal a look. "Always, when thou changest thine opinion or course, profess it plainly, . . . And do not think to steal it." (Bacon) To steal a march, to march in a covert way; to gain an advantage unobserved; formerly followed by of, but now by on or upon, and sometimes by over; as, to steal a march upon one's political rivals. "She yesterday wanted to steal a march of poor Liddy." (Smollett) "Fifty thousand men can not easily steal a march over the sea." (Walpole) Synonym: To filch, pilfer, purloin, thieve. Origin: OE. Stelen, AS. Stelan; akin to OFries. Stela, D. Stelen, OHG. Stelan, G. Stehlen, Icel. Stela, SW. Stjala, Dan. Stiaele, Goth. Stilan. 1. To practice, or be guilty of, theft; to commit larceny or theft. "Thou shalt not steal." (Ex. Xx. 15) 2. To withdraw, or pass privily; to slip in, along, or away, unperceived; to go or come furtively. "Fixed of mind to avoid further entreaty, and to fly all company, one night she stole away." (Sir P. Sidney) "From whom you now must steal, and take no leave." (Shak) "A soft and solemn breathing sound Rose like a steam of rich, distilled perfumes, And stole upon the air." (Milton) Source: Websters Dictionary (01 Mar 1998) |
| iliac steal | The decrease in flow in one common iliac artery when an occlusion of the other common iliac artery is released. (05 Mar 2000) |
| groove for subclavian vein | <anatomy, vein> A groove just anterior to the scalene tubercle of the first rib marking the course of the subclavian vein across the rib. Synonym: sulcus venae subclaviae. (05 Mar 2000) |
| groove of lung for subclavian artery | <anatomy, artery> A sulcus on the surface of the lung just below the apex, corresponding to the course of the subclavian artery. Synonym: sulcus subclavius. (05 Mar 2000) |
| costal groove for subclavian artery | <anatomy, artery> A groove immediately posterior to the scalene tubercle on the upper surface of the first rib across which the subclavian artery passes. Synonym: sulcus costae arteriae subclaviae. (05 Mar 2000) |
| subclavian | <anatomy> Situated under the clavicle, or collar bone; as, the subclavian arteries. Origin: Pref. Sub- + L. Clavis a key. See Clavicle. Source: Websters Dictionary (01 Mar 1998) |
| subclavian artery | <anatomy, artery> Artery arising from the brachiocephalic trunk on the right side and from the arch of the aorta on the left side. It distributes to the neck, thoracic wall, spinal cord, brain, meninges, and upper limb. (12 Dec 1998) |
| subclavian catheter | <equipment> Small, flexible plastic tube inserted into the large vein above the heart, through which drugs and blood products can be given and blood samples withdrawn painlessly. Synonym: central line, Hickman catheter. (12 Jan 1998) |
| subclavian duct | It is formed by the union of the vessels draining the lymph nodes of either upper limb, emptying into the thoracic duct at the root of the neck on the left or into the right lymphatic duct. Synonym: truncus subclavius, subclavian duct. (05 Mar 2000) |
| subclavian groove | A groove on the inferior surface of the body of the clavicle to which is attached the subclavius muscle. Synonym: sulcus musculi subclavii, subclavian sulcus, sulcus subclavianus. (05 Mar 2000) |
| subclavian loop | A nerve cord connecting the middle cervical and stellate sympathetic ganglia, forming a loop around the subclavian artery. Synonym: subclavian loop, Vieussens' ansa, Vieussens' loop. (05 Mar 2000) |
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