| simon nitinol ivc filter | <radiology> Introduced 1990; Nitinol Medical Technologies, Woburn, MA. BARD, thermal memory alloy:titanium and nickel;, straightened form at cool temperatures (4-10C), reforms into predetermined filter shape at body temperatures efficacy, recurrent PE: 0 - 4.8%, IVC thrombosis: 7 - 11% (by clinical symptoms), access site thrombosis: 2 - 10% advantages, narrow introducer sheath (9 Fr), largest choice of access: brachial or left CFV approach without difficulty, only mild MRI artifacts disadvantages, IVC thrombosis: symptomatic occlusion rates higher than reported wtih Greenfield or bird's nest filters, caval penetration: 1 - 33%, caudal drop: exact filter location difficult to predict (12 Dec 1998) |
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| Simon's position | A position for vaginal examination; a supine position with hips elevated, thighs and legs flexed, and thighs widely separated. (05 Mar 2000) |
| Simon's sign | <clinical sign> In incipient meningitis in children, the movements of the diaphragm are dissociated from those of the thorax. (05 Mar 2000) |
| Simon, Charles | <person> U.S. Physician, 1866-1927. See: Simon's sign. (05 Mar 2000) |
| Simon, Gustav | <person> German surgeon, 1824-1876. See: Simon's position. (05 Mar 2000) |
| Simon, Theodore | <person> French physician, 1873-1961. See: Binet-Simon scale. (05 Mar 2000) |
| Simonart's bands | The strands of amniotic tissue adherent to the embryo or foetus; they may cause constriction of embryonic limbs. See: congenital amputation. Synonym: amniotic adhesions, annular band, constriction ring, Simonart's bands, Simonart's ligaments, Simonart's threads, Streeter's bands. (05 Mar 2000) |
| Simonart's ligaments | The strands of amniotic tissue adherent to the embryo or foetus; they may cause constriction of embryonic limbs. See: congenital amputation. Synonym: amniotic adhesions, annular band, constriction ring, Simonart's bands, Simonart's ligaments, Simonart's threads, Streeter's bands. (05 Mar 2000) |
| Simonart's threads | The strands of amniotic tissue adherent to the embryo or foetus; they may cause constriction of embryonic limbs. See: congenital amputation. Synonym: amniotic adhesions, annular band, constriction ring, Simonart's bands, Simonart's ligaments, Simonart's threads, Streeter's bands. (05 Mar 2000) |
| Simonart, Pierre | <person> Belgian obstetrician, 1817-1847. See: Simonart's bands, Simonart's ligaments, Simonart's threads. (05 Mar 2000) |
| Simonea folliculorum | A very common, universally distributed, and usually nonpathogenic species of mite that inhabits the hair follicles and sebaceous glands of humans, commonly around the nose and scalp margins. Synonym: Acarus folliculorum, Simonea folliculorum. (05 Mar 2000) |
| Simons' disease | A condition characterised by a complete loss of the subcutaneous fat of the upper part of the torso, the arms, neck, and face, sometimes with an increase of fat in the tissues about and below the pelvis. Synonym: Barraquer's disease, lipodystrophia progessiva superior, partial lipoatrophy, Simons' disease. (05 Mar 2000) |
| Simons, Arthur | <person> German physician, *1877. See: Simons' disease. (05 Mar 2000) |
| Simonsiella | Genus of nonphotosynthetic, nonfruiting, Gram-negative, chemoorganotrophic, gliding bacteria that exist as multicellular filaments with the long axis of individual cells perpendicular to the long axis of the filament. The cells are flattened and curved to yield a convex-concave, crescent shaped symmetry. Isolated from the oral cavity of mammals. Type species is Simonsiella muelleri. (05 Mar 2000) |
| Baruch, Simon | <person> U.S. Physician, 1840-1921. See: Baruch's law. (05 Mar 2000) |
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| Binet-Simon scale | Forerunner of individual intelligence tests, particularly the Stanford-Binet intelligence scale, and sometimes referred to as the Binet scale. (05 Mar 2000) |
| Flexner, Simon | <person> U.S. Pathologist, 1863-1946. See: Flexner's bacillus. (05 Mar 2000) |